ISO-VIS (Standard Oil Co.) Motor Oil DSP sign #10230

10230

OG Serial Number:

Authentication Date:

4/14/25

Size:

29.5" diameter

Material:

Double-sided porcelain

Grade:

7.0 / 7.0

1/3

Sign has decent color with consistent wear and scratches on both sides.
Significant fading and no shine keep this sign from grading higher.
This is the "Indiana" version of this uncommon sign.
Stamped "Reliance Adv. Co., Milwaukee" on bottom edge of one side.
Circa 1940s