Union 76 Certified Car Condition Service Porcelain Sign (TAC)Matthews Auctions, LLC4.6(155)$25(1 bid)5 days Left
Union Diesol Diesel Fuel Porcelain Pump Sign (TAC)Matthews Auctions, LLC4.6(155)$25(1 bid)5 days Left
United Motor Service w/Logo Porcelain Sign (TAC)Matthews Auctions, LLC4.6(155)$300(2 bids)5 days Left
White "Trucks" Sales Service Single Sided Porcelain SignRichmond Auctions4.6(80)$25(1 bid)230 Lots Away
SSP Gulf Authorized Dealer Advertising Sign (TAC)Kraft Auction Service4.4(809)$110(2 bids)24 hrs Left
Ask for Gargoyle Mobiloil Authorized Service Porcelain Sign (TAC)Matthews Auctions, LLC4.6(155)$50(2 bids)5 days Left
Exceptional Shell Notice Stop Engine Before Filling Trucks Single Sided Porcelain SignRichmond Auctions4.6(80)$25224 Lots Away
ASSOCIATED CERTIFIED "CLEAN, COMFORT STATIONS" PORCELAIN REST ROOM SIGNDan Morphy Auctions4.3(1.4k)$1,000Feb 18, 2026
Buick Valve-in-Head Authorized Service Porcelain Sign (TAC)Matthews Auctions, LLC4.6(155)$255 days Left
Sold(UNION) AUTHORIZED AUTOMATIC TRANS SERVICE SIGNSSP SIGN HAS EXCELLENT COLOR AND GLOSS, FIELD IS CLEAN, 12"D., RATED 9.25. TAC #040218See Sold Price
Sold42" Cadillac Authorized Service Porcelain Sign 9.25 & 942" Cadillac Authorized Service Double Sided Porcelain Sign TAC 9.25 & 9. DSP (double sided porcelain) sign with great color, gloss and a clean field. Reverse has great color and gloss with some scuffSee Sold Price
Sold5' Cadillac Authorized Service Porcelain Sign TAC 7 & 65' Cadillac Authorized Service w/ Crest & V Logo Double Sided Porcelain Sign TAC 7 & 6. DSP (double sided porcelain) sign has very good color and gloss with major crease and chips. Marked Walker & Co.See Sold Price
Sold42" Cadillac Authorized Service Porcelain Sign TAC 8.75Double sided porcelain (DSP) sign that has good color and gloss. It has a few small chips on both sides. Mounted in a ring. Marked Walker & Co., Detroit. Measures 42" diameter. Rated 8.75 by The AutheSee Sold Price
Sold36" Hudson Authorized Service Porcelain Sign TAC 9.25/936" Hudson Authorized Service Double Sided Porcelain Sign TAC 9.25 & 9. DSP (double sided porcelain) sign has excellent color and gloss with a nice display. The reverse has one flea bite chip in the oSee Sold Price
SoldBUICK VALVE IN HEAD AUTHORIZED SERVICE PORCELAIN SIGN.DSP. An excellent example of this sign from Buick Motorcars. Side one is in outstanding condition, showing excellent color & gloss with bright colors and no chipping. Side one shows some very minimalSee Sold Price
SoldPONTIAC AUTHORIZED SERVICE PORCELAIN SIGN.DSP. A nice example of this double sided porcelain sign from Pontiac featuring the Native American graphic in the center with nice color and shine throughout. CONDITION: Side 1 shows good color and shSee Sold Price
SoldHudson Terraplane Authorized Service Porcelain Sign (TAC)rated 9c & 8.75, 42"D., DSP sign has very good color and gloss, display has a tiny chip in the field, has chips at mounting holes and around the perimeter, reverse has chips in the field. TAC #039See Sold Price
SoldPONTIAC AUTHORIZED SERVICE PORCELAIN SIGN W/ CHOPPEDDSP. A very nice example of this sign from Pontiac. Side one shows excellent color & gloss throughout the field with a super clean and bright graphic showing no chipping. Side one shows some minor disSee Sold Price
SoldPONTIAC AUTOMOBILES AUTHORIZED SERVICE PORCELAIN SIGN.AGS CERTIFIED #10177. DSP. A well displaying example of this C. 1950's Porcelain Sign for Pontiac Automobiles advertising "Authorized Service" with Native American graphic. CONDITION: Side one displaySee Sold Price
SoldPONTIAC AUTHORIZED SERVICE PORCELAIN SIGN W/ FULLDSP. A very tough to find sign from Pontiac Automobiles. Side one shows excellent color & gloss throughout the field with a fairly clean graphic. Side one shows a moderate amount of chipping in the fiSee Sold Price
SoldBuick Valve-in-Head Authorized Service Porcelain Sign (TAC)rated 7.25, 42"D., the SSP sign has good color and gloss, has one extra hole in the field and several around the perimeter, chips, wear and fine scratches, marked Burdick. TAC #042889See Sold Price
SoldAsk for Mobiloil Gargoyle Authorized Service Porcelain Sign (TAC)rated 9.25, 24"x19.5", SSP sign has excellent color and gloss. TAC #046527See Sold Price
SoldAsk for-Gargoyle Mobiloil Authorized Service Porcelain Sign (TAC)rated 9c, 24"x19.5", SSP sign has excellent color and gloss, has tiny chip in upper field. TAC #039464See Sold Price
SoldAsk for Gargoyle Mobiloil Authorized Service PorcelainSSP sign has excellent gloss and color, field is clean, has tiny chip at 9 o'clock, 24"x19.5", rated 9See Sold Price
SoldMobil Oil Authorized Service Porcelain SignSSP. Fantastic gloss and color. The field is very clean with only minor wear. The perimeter shows areas of minor flea bites. Tough to find one nicer. Overall it displays very well. Measures: 24"X19.5"See Sold Price
SoldWhippet & Willys-Knight Authorized Service PorcelainDSP. A nice example of this sign. Sign shows excellent color & gloss on both sides, with a couple of very light chips in the field, as well as some light chipping along the outer edge. Sign displays vSee Sold Price
SoldMobiloil Authorized Service Porcelain Sign.SSP sign. Good color and gloss with chips in the field and major damage at the top. (6.9). 24" x 20".See Sold Price
SoldMobiloil Gargoyle Authorized Service Porcelain SignSingle sided porcelain sign for Mobiloil Gargoyle Authorized Service with Gargoyle graphic. 19.5" x 24"See Sold Price
SoldVintage Cadillac Authorized Service porcelain advertising signVintage Cadillac Authorized Service porcelain advertising sign. 11 ¼ wide. In very good original as found condition. Great quality and detail. For in house shipping. Please call Mike at ThriftiSee Sold Price
SoldHarley-Davidson Authorized Service Porcelain ThermometerHarley-Davidson enthusiasts will appreciate this vintage porcelain thermometer, featuring the iconic bar and shield logo with 'Authorized Service' text. It's not only a great collector's item but alsoSee Sold Price
SoldDouble Sided Authorized Buick Service Porcelain Advertising SignDouble Sided Authorized Buick Service Porcelain Advertising Sign in red, white, and blue, some rust and pitting, reads "Authorized Buick Service-Valve in Head" by Walker and Company diameter 60 inchesSee Sold Price
Sold42" Pontiac Authorized Service SS Porcelain Sign TAC 942" Pontiac Authorized Service & Chopped Feather Logo single sided porcelain sign. Circa 1930's. Great example of this early Pontiac sign. Excellent gloss and color. The red has very minor oxidation.See Sold Price
SoldAuthorized Buick Service porcelain sign, single sided, in metal hanging ring, condition as shown, 40Authorized Buick Service porcelain sign, single sided, in metal hanging ring, condition as shown, 40 inch dia.See Sold Price
