6-1/2ft Vintage SSP Gallic Varnish French Advertising SignKraft Auction Service4.4(809)$25(1 bid)1 day Left
Standard in Bar & Circle No Smoking Porcelain Sign (TAC)Matthews Auctions, LLC4.6(155)$25(1 bid)5 days Left
SHELL GASOLINE PORCELAIN TRUCK TOPPER SIGN W/ ORIGINAL METAL BACKINGDan Morphy Auctions4.3(1.4k)$500Feb 17, 2026
Vintage SSP Standard Oil Service Station No Smoking SignKraft Auction Service4.4(809)$140(2 bids)1 day Left
SoldSinclair Opaline Vertical Porcelain SignSingle sided porcelain sign for Sinclair Opaline Motor Oils with vertical orientation. 15" x 60"See Sold Price
Sold5ft Vintage SSP Sinclair Opaline Motor Oil SignVintage single sided porcelain SInclair Opaline Motor Oil vertical advertising sign. Sign has porcelain loss, discoloration, and wear from use and age. Does appear to have some concrete splatter on itSee Sold Price
SoldSinclair Opaline Motor Vertical Oil SSP Sign15" x 60" SSP vertical rolled edge sign displays vibrant colors with several small chips and scratches across the surface. The outer edges have porcelain chips, along with signs of surface rust and beSee Sold Price
SoldSinclair Opaline Motor Oil Porcelain Sign (TAC)rated 7.75, 60"x15", SSP vertical sign has good color and some gloss, has wear and chips in the field and around the perimeter. TAC #040654See Sold Price
SoldSinclair Opaline Motor OIl Porcelain Sign60"x15", The SSP vertical sign has good color and gloss, has chips in the field, has crease in lower field with large touched up chips, chips around the perimeter, rated 6.9See Sold Price
SoldPorcelain Sinclair Opaline Motor Oil signsingle sided vertical sign some dings and corrosion to perimeter and interior See Photos 60" t x 15" wSee Sold Price
SoldRARE 24" Sinclair Opaline Porcelain SignSinclair Opaline double sided porcelain sign. Rare 24" sign dates to the 1920's. Presents with nice color and a few chips.See Sold Price
Sold1920's Sinclair Opaline Porcelain Sign1920's Sinclair Opaline Porcelain Sign. Measures 51 x 15See Sold Price
SoldSinclair Opaline Square Porcelain SignSSP. It has average color and gloss. It shows minor wear, discoloration, and small chips throughout. It displays well and is a Sinclair sign that isn't often seen. It has been authenticated. Measures:See Sold Price
Sold6' Sinclair Opaline Motor Oil Porcelain Sign w/ CanSingle sided porcelain (SSP) sign has very good color and gloss. The field has rust staining, scratches and chips present. There are two non factory holes w/ chips and touch up in the "ER" of Dealer,See Sold Price
SoldSinclair Opaline Motor Oil Porcelain Sign with DinosaurSSP. A very nice example of this sign. Sign shows a very clean field with an excellent dinosaur graphic. Sign shows two small areas of outer edge chipping at the top and right hand side. Sign is ink sSee Sold Price
SoldSINCLAIR OPALINE MOTOR OIL PORCELAIN SIGN W/ CAN GRAPHIC.SSP. C. 1940's Sinclair Opaline Motor Oil porcelain sign. CONDITION: The sign has good gloss. There is noticeable porcelain loss throughout the field, but the remaining porcelain is stable. There is aSee Sold Price
SoldSinclair Opaline Motor Oils Porcelain SignSSP. It has above average color and gloss. It shows minor wear, slight discoloration, and a chip at the edge. It displays well and is a great example of early Sinclair advertising. It has been authentSee Sold Price
SoldSINCLAIR OPALINE MOTOR OIL PORCELAIN SIGNSinclair Opaline Motor Oil Porcelain Sign. Has nice colors. Has some spots of loss and touchup. Displays well. 60"x15" Very GoodSee Sold Price
SoldSinclair Opaline Motor Oil Porcelain Signsingle sided some corrosion and rust with some dings 44" T x 11" W . . . . . . . . . . See Photos for condition. . . . . Key words: Gasoline, gas, oil, petroleum, service station, advertising.(updatedSee Sold Price
Sold11" Sinclair Opaline Motor Oil SS Porcelain Sign11" Sinclair Opaline Motor Oil White Dino Single Sided Porcelain Sign TAC 8.75. SSP (single sided porcelain) sign has excellent color and gloss with a couple tiny flea bite chips in the field and bottSee Sold Price
SoldPorcelain Sinclair Opaline Motor Oil Authorized SignOriginal Sinclair Motor Oil Authorized Dealer Porcelain. Original porcelain sign SINCLAIR OPALINE MOTOR. Dimension: 20" x 48". Condition: Scuffs, scratches, porcelain loss, rust and holes, as is, seeSee Sold Price
SoldSinclair Opaline Motor Oil Single Sided Porcelain Sign48" x 20" SSP sign features the Sinclair Oils can. There are chips in the field with an area of missing porcelain off the surface of the sign along the top above the word Sinclair. There is minor surfSee Sold Price
SoldSinclair Opaline Motor Oil w/White Dinosaurs Porcelain Sign (TAC)rated 5, 30"D., DSP sign has major damage. TAC #040662See Sold Price
SoldSinclair Opaline Motor Oil Single Sided Porcelain Sign15" x 60" SSP sign exhibits wear with porcelain chips and crazing in the field. There is edge wear with porcelain loss and a 5" piece missing on the right edge.See Sold Price
SoldSinclair Opaline Motor Oil Sign - porcelain 60" x 15"Sinclair Opaline Motor Oil Sign - porcelain 60" x 15"See Sold Price
SoldRare 24" Sinclair Opaline Motor Oil & Can Double Sided Porcelain SignRare double sided porcelain (DSP) sign with very good color and gloss. The display has two eraser sized chips with small scratches and two tiny bruises. The edges have some chips with metal loss. TheSee Sold Price
SoldSinclair Opaline Motor Oil SSP Porcelain 5' Advertising Sign - HIGH GRADEOne chip in the field on the P as shown, other than that, this is a extremely high grade sign with light grommet and edge wear. Day one gloss. Super straight and lays completely flat. 60" x 15"See Sold Price
