In 1941 cards are numbered 51 thru 171. This series contains 120 cards.
Numbers 155 and 158 are the same view. The number description, and the copyright year were printed on this series as shown on the side.
NOTICE: This Reference list for Union Oil 76 backs is for individual personal use only - Use & Reproduction (Including scans) of this listing for business purposes will require Walt's written permission. Links to this page will also require Walt's Permission. He can be contacted at "firstname.lastname@example.org"