EXTREMELY RARE & OUTSTANDING SINCLAIR PENNSYLVANIA MOTOR OILS PORCELAIN CURB SIGN.

DSP. An absolutely incredible example of this CA. 1930's Porcelain Curb Sign from Sinclair Motor Oils showing large Sinclair script as well as "Black Dino" graphic. CONDITION: Sign is in absolutely ou

SSP. Sign shows an Ink Stamp, "Sinclair SP-1". A very scare Circa 1930's Porcelain Sign from Sinclair Oil Company advertising Sinclair Pennsylvania Motor Oils and showing the iconic Sinclair script as

SSP. Sign is Ink Stamped, "Sinclair SP-2". An excellent example of this iconic and highly sought after Porcelain Sign from Sinclair Motor Oils. Sign features excellent Sinclair script as well as Black

SSP. Highly sought after C. 1930's Porcelain Truck Sign for Sinclair Pennsylvania Motor Oils showing "Black Dino" graphic with Sinclair shaded script. CONDITION: Sign is in fair condition overall show

52.5"T x 30"W, DSP porcelain sign has very good color and gloss. The display side has flea bite chips in the field and a larger chip between the "I & E" of Amalie. There's some chipping along the edge

DSP. A wonderfully clean and bright example of this Circa 1920's Porcelain Service Station Sign from Shell Motor Oils. Sign is shaped in the iconic clamshell style and shows yellow and red Shell color

SSP. Sign shows a Makers Ink Stamp "Sinclair SO-1". A very scarce and highly sought after Porcelain Sign from Sinclair Opaline Motor Oils showing a large Dinosaur graphic. CONDITION: Sign shows bold S

15" x 60 SSP sign with bright colors, high gloss, scuffs, a porcelain chip on one of the mounting holes, and some minor porcelain chipping on the left bottom edge. * PLEASE NOTE, THERE IS ONLY ONE W

10" x 40" SSP vertical sign with bright color and gloss. There is light edge wear with small chips and small chips around the mounting holes. Age unknown. PLEASE NOTE, THERE IS ONLY ONE WAY TO PAY FOR

SSP. An excellent example of this Circa 1930's Porcelain Oil Cart Sign from Sinclair Opaline Motor Oils showing Sinclair Bar graphic as well as excellent Sinclair colors. CONDITION: Sign shows excelle

11" Sinclair Pennsylvania Motor Oil Black Dino Single Sided Porcelain Sign TAC 8.9. SSP (single sided porcelain) sign has excellent color and some gloss with a clean field and chips around the perimet

Rare 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. The

12" Sinclair Pennsylvania Motor Oil Standing Black Dino Single Sided Porcelain Sign TAC 9. SSP (single sided porcelain) sign has great color and gloss with a clean field and chips around the perimeter

Double sided porcelain curb sign for Valvoline Pennsylvania Motor Oils with deep green background and dotted shield graphic. Sign has chipping in field. Side 1 shows some staining. Side 2 has thick gu

Porcelain convex sign. 9 3/4 in x 39 1/2 in.

SSP. An outstanding example of this tough to find sign from Gulf Marine Motor Oil. Sign shows outstanding color & gloss throughout the field, with excellent script as well as Gulf graphics. The field

Vintage single sided porcelain Sinclair Pennsylvania Motor Oil vertical advertising sign. Sign has porcelain loss, damage, and wear from use and age. Displays well with great colors and self embossed

DSP. A tough to find sign from Phillips 66 Gasoline & Motor Oils in any grade. Sign shows excellent color & gloss throughout each side with numerous areas of chipping throughout the field and edge of

SSP. An outstanding example of this Circa 1930's Porcelain Service Station Sign from Sinclair Gasoline showing a large notice of filling services may not be rendered while motors are running, occupant

DSP. An outstanding example of this early Porcelain Curb Sign from Shell Motor Oil. Side one shows outstanding color & gloss throughout the field showing no chipping in the field as well as some minim

DSP. An excellent example of this early sign from Amalie Motor Oil. Side one shows excellent color & gloss, with one small flea bite chip in the field, and some light chipping at the mounting holes. S

SSP. An absolutely outstanding example of this significantly early and rare Circa 1920's Porcelain Strip Sign from Shell Gasoline & Motor Oils. Sign shows iconic red & yellow Shell colors as well as e

DSP. Exceptionally clean Sunland "Frictionezed" Motor Oil Porcelain Quart Can Sign. C. 1930's, product of Sunland Refining Co., Bakersfield, California. CONDITION: Side one is overall outstanding thro

DSP. A very rare piece of Circa 1930's Porcelain Signage from Veltex Motor Oils, a product of Fletcher Oil Company, Boise, Idaho. This may be the first example of this sign to ever sell publicly. This