Vintage SSP Dangerous Keep Away Industrial Sign w/ Lightning Bolt GraphicsKraft Auction Service4.4(808)US$30(2 bids)2 days Left
Sinclair w/Dino No Trespassing Porcelain Sign (TAC)Matthews Auctions, LLC4.6(155)US$275(4 bids)7 days Left
TIDEWATER OIL CO. "DANGER" PORCELAIN SIGN W/ FLYING A GRAPHICDan Morphy Auctions4.3(1.4k)US$150Feb 17, 2026
SSP Unsafe Water Do Not Drink The Detroit Edison Company Warning SignCheck the Oil Promotions, LLC4.7(541)US$18(2 bids)Feb 15, 2026
SoldSOUTHERN SIERRAS POWER CO DANGER SSP SIGNSOUTHERN SIERRAS DANGER HIGH VOLTAGE SSP SIGNS. MINOR DISCOLORATION, GOOD CONDITION. 24" x 8"See Sold Price
Sold2 P.G. & E. DANGER SSP SIGNSPACIFIC GAS AND ELECTRIC CO. DANGER HIGH VOLTAGE. CHIPS TO PORCELAIN, SURFACE SCRATCHES. 14" LSee Sold Price
SoldSinclair Lubrication SSP Sign9" x 84" SSP porcelain sign w/ cookie cutter edge. Sign has good color. The black shaded area has lower gloss. There's small scratches in the field and 2 small nail holes with chipping along the perimSee Sold Price
SoldLot of 2 Danger High Voltage SSP Signs w/ Skull Graphics US & Illinois Steel CorpsLot of 2 SSP signs have moderate color and gloss. Both signs have general age wear throughout with age toning and staining. The United States Steel SSP has tears to the upper mounting holes. Overall aSee Sold Price
SoldDanger Falling Material and Caution Keep Back Single Sided Porcelain SignsLot includes a 14" x 12" Danger Falling Material SSP sign in excellent condition with bright color, high gloss, and a small chip on the bottom right corner. Also included is a 12" x 15" Caution Keep BSee Sold Price
SoldDanger High Voltage and Pugent Sound Power Light SSP SignsLot of 2 SSP Signs. A 14" x 10" SSP Danger sign with good color, good gloss, and small porcelain chips around the mounting holes. Marked Stonehouse Signs, Inc. Denver. The second sign is a 16" x 8" SSSee Sold Price
SoldTrespassing Forbidden & Danger porcelain signsLot of 2 porcelain signs including a 16" x 9" DSP Trespassing Loitering Forbidden By Law sign with bright colors and high gloss and a SSP Danger sign with bright colors and high gloss. *PLEASE NOTE, TSee Sold Price
SoldDANGER HIGH VOLTAGE PORCELAIN SIGNSSP DANGER SIGN, CONNECTICUT LIGHT AND POWER SIGN. GOOD COLOR, GOOD GLOSS, SMALL CHIPS. 20" x 10"See Sold Price
Sold2 DANGER HIGH VOLTAGE PORCELAIN SIGNSSSP GAS & ELECTRIC DANGER HIGH VOLTAGE SIGN. & SSP DANGER HIGH VOLTAGE SIGN. CHIPS AND BULLET HOLE. 14" x 7"See Sold Price
SoldSinclair Pennsylvania Motor Oil SSP SignSSP self-framed sign has excellent color and gloss. The sign has chips in the fields and around the perimeter. Overall the sign displays very well with bright colors throughout. 60" x 15". PLEASE NOTESee Sold Price
SoldSSP Sinclair Gasoline sign 1-sided porcelain sign that is a hard to find piece, but is in rough condition! 36 diameter.See Sold Price
SoldOriginal Danger High Voltage SSP Porcelain Sign with Brass GrommetsMade in the USA, 18-1/2"w x 8-1/2"h SSP.See Sold Price
Sold2 SSP DANGER ELECTRIC SIGNSCALIFORNIA ELECTRIC POWER & SAN DIEGO GAS & ELECTRIC. WEAR TO CALIF. SIGN THROUGHOUT. SAN DIEGO HAS MINOR DISCOLORATION. MINOR CHIPS TO TOP. 12" x 8" / 10" x 7"See Sold Price
SoldQTY 2 DANGER & PRIVATE PROP EDISON SSP SIGNSQTY 2 DANGER KEEP AWAY EDISON & PRIVATE PROPERTY EDISON CALIFORNIA SIGNS 12" X 18" & 12" X 18"See 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 Pennsylvania Motor Oil Vertical SSP Sign60" x 14.75" SSP sign has been professionally restored. The sign is very clean overall with minor fine scratches in the field and slight discoloration at some of the mounting holes. The reverse is marSee Sold Price
SoldSinclair Gasoline 4' 1920s SSP Porcelain Sign w/ Jail Bars48" diameter - ssp - wear as shownSee Sold Price
SoldSinclair Dino SSP Gas Pump Plate Sign12" x 13.5" SSP gas pump sign with bright colors, high gloss, and a small chip on the lower left corner. Condition: 8.9.See Sold Price
SoldSinclair Gasoline SSP Porcelain Pump Plate SignThis sign has very good color and gloss throughout with only some minor chips at the mounting holes. 13.5" x 12". Graded 8.9.See Sold Price
SoldOUTSTANDING SINCLAIR H-C GASOLINE PORCELAIN PUMP PLATE SIGN.AGS CERTIFIED #10549. SSP. Sign is stamped "Sinclair CDHC-1". An outstanding example of this Porcelain Pump Sign from HC Sinclair Gasoline showing iconic colors and script. CONDITION: Sign is outstandSee 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
