View Full Version : 1948 Signal Oil: Blue vs Black Backs

09-10-2007, 11:01 AM
Posted By: <b>Chris Counts</b><p>I noticed that one of my '48 Signal Oils has black text on the back, while the others have blue text ... is this common?

09-10-2007, 02:50 PM
Posted By: <b>George Dreher</b><p>Yes, they were printed in both colors with no rarity designation for either color.