https://signmotoroil.com Tue, 21 Apr 2026 11:59:47 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://signmotoroil.com/2026/02/19/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-5/ https://signmotoroil.com/2026/02/19/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-5/#comments Thu, 19 Feb 2026 19:41:09 +0000 https://signmotoroil.com/2026/02/19/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-5/










You will not be asked to pay anything extra upon receiving the package. Harley Davidson Motor Oil porcelain Enamel Sign 30 x 30 Inches 1 Sided. In case of Double side, during Manufacturing process, some points / mild Scratch / Dots may be found at other side, as it happens in the process of firing to product in Furnace it is (unavoidable) Front side of product is perfect and other side of product may have some mild scratch. This is a heavy gauge steel enamel porcelain covered sign. Looks great, Colors are bright and Crisp. And The Packing Will Be Done Professionally. We Always Are Looking for Signs and Bring It To You. Let Us Know If You Have Any Signs We Can Make It For You. Thank you for visiting our store!!

]]> https://signmotoroil.com/2026/02/19/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-5/feed/ 0 https://signmotoroil.com/2026/02/02/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-4/ https://signmotoroil.com/2026/02/02/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-4/#comments Mon, 02 Feb 2026 19:03:44 +0000 https://signmotoroil.com/2026/02/02/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-4/










You will not be asked to pay anything extra upon receiving the package. Harley Davidson Motor Oil porcelain Enamel Sign 30 x 30 Inches 1 Sided. In case of Double side, during Manufacturing process, some points / mild Scratch / Dots may be found at other side, as it happens in the process of firing to product in Furnace it is (unavoidable) Front side of product is perfect and other side of product may have some mild scratch. This is a heavy gauge steel enamel porcelain covered sign. Looks great, Colors are bright and Crisp. And The Packing Will Be Done Professionally. We Always Are Looking for Signs and Bring It To You. Let Us Know If You Have Any Signs We Can Make It For You. Thank you for visiting our store!!

]]> https://signmotoroil.com/2026/02/02/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-4/feed/ 0 https://signmotoroil.com/2026/01/23/vintage-harley-davidson-genuine-motor-oil-12-inch-convex-porcelain-enamel-sign/ https://signmotoroil.com/2026/01/23/vintage-harley-davidson-genuine-motor-oil-12-inch-convex-porcelain-enamel-sign/#comments Fri, 23 Jan 2026 06:35:48 +0000 https://signmotoroil.com/2026/01/23/vintage-harley-davidson-genuine-motor-oil-12-inch-convex-porcelain-enamel-sign/







VINTAGE HARLEY DAVIDSON GENUINE MOTOR OIL 12 INCH CONVEX PORCELAIN ENAMEL SIGN.

]]> https://signmotoroil.com/2026/01/23/vintage-harley-davidson-genuine-motor-oil-12-inch-convex-porcelain-enamel-sign/feed/ 0 https://signmotoroil.com/2025/12/30/vintage-harley-davidson-motor-oil-11-14-porcelain-gas-oil-sign-motorcycle/ https://signmotoroil.com/2025/12/30/vintage-harley-davidson-motor-oil-11-14-porcelain-gas-oil-sign-motorcycle/#comments Tue, 30 Dec 2025 17:28:53 +0000 https://signmotoroil.com/2025/12/30/vintage-harley-davidson-motor-oil-11-14-porcelain-gas-oil-sign-motorcycle/

























FOR YOUR CONSIDERATION IS A VINTAGE RARE HARLEY DAVIDSON MOTOR OIL 11 1/4 ROUND PORCELAIN SIGN. THIS SIGN FEATURES REALLY NEAT GRAPHICS OF THE HARLEY DAVIDSON LOGO WITH THE CLASSIC ORANGE, BLACK & WHITE COLORS. THIS SIGN SAYS: “HARLEY DAVIDSON GENUINE MOTOR OIL” & “5 GALLONS” AROUND THE SIGN & HARLEY DAVIDSON MOTOR CO. THIS IS ONE OF MY FAVORITE SIGNS IN THE COLLECTION. THIS SIGN HAS WEAR INCLUDING CHIPS, DENTS, SCRATCHES & WEAR AROUND THE MOUNTING HOLES FROM USE. THIS SIGN IS HEAVY AND IS MADE OF PORCELAIN. THIS IS A RARE & HARD TO FIND SIGN. THIS SIGN MEASURE 11 1/4″ BY 11 1/4″AND IS ROUND AND WEIGHTS A WHOPPING 1 POUND, 5 OUNCES AND IS MADE OF THICK HEAVY PORCELAIN. NOT CHEAP TIN OR THIN METAL. THIS IS THE SUPER THICK PORCELAIN VERSION. HOW OFTEN DO YOU SEE SOMETHING RELATED TO HARLEY DAVIDSON MOTOR OIL? SKU # HOLOGRAPHIC # 1A (HARLEY DAVIDSON MOTORCYCLES).

]]> https://signmotoroil.com/2025/12/30/vintage-harley-davidson-motor-oil-11-14-porcelain-gas-oil-sign-motorcycle/feed/ 0 https://signmotoroil.com/2025/11/20/vintage-harley-davidson-motor-oil-can-porcelain-sign-gasoline-gas-pump-plate/ https://signmotoroil.com/2025/11/20/vintage-harley-davidson-motor-oil-can-porcelain-sign-gasoline-gas-pump-plate/#comments Thu, 20 Nov 2025 16:02:47 +0000 https://signmotoroil.com/2025/11/20/vintage-harley-davidson-motor-oil-can-porcelain-sign-gasoline-gas-pump-plate/













For your consideration is a fine example of a Harley Davidson Motor Oil Porcelain Sign in Great Condition! This noteworthy sign is revered by collectors of all types, when it comes to gas, oil, and automotive advertising. This sign measures about 12″ high, by 8″ wide. This is truly an amazing sign to add to your collection, the sign displays really well, and adds a lot of charm to any environment it’s used in! I’m parting with my vast collection of signs right now, including “pump plates”, “service station signs”, “lubester signs”, “automotive dealer signs”, and “aviation sign” so check out some of my other auctions for more great deals. If you’ve any questions, please feel free to ask.

]]> https://signmotoroil.com/2025/11/20/vintage-harley-davidson-motor-oil-can-porcelain-sign-gasoline-gas-pump-plate/feed/ 0 https://signmotoroil.com/2025/10/14/vintage-harley-davidson-porcelain-sign-old-red-devil-motorcycle-biker-motor-oil/ https://signmotoroil.com/2025/10/14/vintage-harley-davidson-porcelain-sign-old-red-devil-motorcycle-biker-motor-oil/#comments Wed, 15 Oct 2025 01:39:48 +0000 https://signmotoroil.com/2025/10/14/vintage-harley-davidson-porcelain-sign-old-red-devil-motorcycle-biker-motor-oil/














This Harley Davidson motorcycle oil vintage porcelain advertising sign is in very nice condition. Shows excellent color and gloss with minor chips in the outer field, as well as some moderate mounting hole and outer edge chips. Really, beautiful layers of porcelain on this one. It is USED and was hanging displayed outside. So please expect to see some rust around the mounting holes and edges. Despite this, the colors are still strong and it looks great! Feel free to zoom in and check out all of the photographs for you, they are the best description of the exact sign. This is ready to mount and display, It could use a good wipe down with a damp cloth. WEIGHTS: Approximately 1-2 pounds. MATERIAL: PORCELAIN ON SOLID METAL (real steel, not tin, Magnet sticks firmly). Please use all 20+ pics for your most accurate description of the exact item you will receive. We try our best to use great lighting when taking our photos so that you will have a VERY accurate view of the exact item you will receive. We show all angles, front and back. So, please take the time to thoroughly look through all of the photos provided for you so that you can make your best decision! Thanks for shopping with us here at Classic Gas and Oil Signs. Please be sure to check out all of the other collectable pieces that we have available! We focus mainly on Gas & Oil, Motorcycle, Train, Food & Soda, and Farming signs, but occasionally come across some pretty unique stuff to offer you as well. Enjoy the journey and stay safe, friends!

]]> https://signmotoroil.com/2025/10/14/vintage-harley-davidson-porcelain-sign-old-red-devil-motorcycle-biker-motor-oil/feed/ 0 https://signmotoroil.com/2025/09/17/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-3/ https://signmotoroil.com/2025/09/17/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-3/#comments Wed, 17 Sep 2025 12:40:55 +0000 https://signmotoroil.com/2025/09/17/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-3/










You will not be asked to pay anything extra upon receiving the package. Harley Davidson Motor Oil porcelain Enamel Sign 30 x 30 Inches 1 Sided. In case of Double side, during Manufacturing process, some points / mild Scratch / Dots may be found at other side, as it happens in the process of firing to product in Furnace it is (unavoidable) Front side of product is perfect and other side of product may have some mild scratch. This is a heavy gauge steel enamel porcelain covered sign. Looks great, Colors are bright and Crisp. And The Packing Will Be Done Professionally. We Always Are Looking for Signs and Bring It To You. Let Us Know If You Have Any Signs We Can Make It For You. Thank you for visiting our store!!

]]> https://signmotoroil.com/2025/09/17/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-3/feed/ 0 https://signmotoroil.com/2025/09/08/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-2/ https://signmotoroil.com/2025/09/08/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-2/#comments Mon, 08 Sep 2025 07:10:54 +0000 https://signmotoroil.com/2025/09/08/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-2/










You will not be asked to pay anything extra upon receiving the package. Harley Davidson Motor Oil porcelain Enamel Sign 30 x 30 Inches 1 Sided. In case of Double side, during Manufacturing process, some points / mild Scratch / Dots may be found at other side, as it happens in the process of firing to product in Furnace it is (unavoidable) Front side of product is perfect and other side of product may have some mild scratch. This is a heavy gauge steel enamel porcelain covered sign. Looks great, Colors are bright and Crisp. And The Packing Will Be Done Professionally. We Always Are Looking for Signs and Bring It To You. Let Us Know If You Have Any Signs We Can Make It For You. Thank you for visiting our store!!

]]> https://signmotoroil.com/2025/09/08/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided-2/feed/ 0 https://signmotoroil.com/2025/08/06/harley-davidson-motor-oil-porcelain-enamel-sign-19-5-x-17-inches-2-sided/ https://signmotoroil.com/2025/08/06/harley-davidson-motor-oil-porcelain-enamel-sign-19-5-x-17-inches-2-sided/#comments Wed, 06 Aug 2025 17:28:47 +0000 https://signmotoroil.com/2025/08/06/harley-davidson-motor-oil-porcelain-enamel-sign-19-5-x-17-inches-2-sided/










Harley Davidson Motor Oil Porcelain Enamel Sign 19.5 x 17 Inches 2 Sided. In case of Double side, during Manufacturing process, some points / mild Scratch / Dots may be found at other side, as it happens in the process of firing to product in Furnace it is (unavoidable) Front side of product is perfect and other side of product may have some mild scratch. This is a heavy gauge steel enamel porcelain covered sign. Looks great, Colors are bright and Crisp. And The Packing Will Be Done Professionally. We Always Are Looking for Signs and Bring It To You. Let Us Know If You Have Any Signs We Can Make It For You. Thank you for visiting our store!!

]]> https://signmotoroil.com/2025/08/06/harley-davidson-motor-oil-porcelain-enamel-sign-19-5-x-17-inches-2-sided/feed/ 0 https://signmotoroil.com/2025/07/24/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided/ https://signmotoroil.com/2025/07/24/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided/#comments Thu, 24 Jul 2025 17:02:43 +0000 https://signmotoroil.com/2025/07/24/harley-davidson-motor-oil-porcelain-enamel-sign-30-x-30-inches-1-sided/










Harley Davidson Motor Oil porcelain Enamel Sign 30 x 30 Inches 1 Sided. In case of Double side, during Manufacturing process, some points / mild Scratch / Dots may be found at other side, as it happens in the process of firing to product in Furnace it is (unavoidable) Front side of product is perfect and other side of product may have some mild scratch. This is a heavy gauge steel enamel porcelain covered sign. Looks great, Colors are bright and Crisp. And The Packing Will Be Done Professionally. We Always Are Looking for Signs and Bring It To You. Let Us Know If You Have Any Signs We Can Make It For You. Thank you for visiting our store!!

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