Rare 1936, Standard Oil, Red Crown Gasoline, "Test Printing" Calendar Page.
Basically, these were sheets, that were pre-printed before the actual run of calendars, to test for color and clarity. What makes this one rare is they ended up going with a different color scheme, so it may be the only one in existence.
This is one sheet and in great condition for its age. I've only seen a few of these sold at auction. They are extremely rare. Sheet is 15 inches long by 9 wide.
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