1937 block is not labeled, I am not sure how many months are included but looks like several 1937 January - has several duplicates September - missing 9/28 February 1938 Missing 2/7-8, 2/11-12, 2/14-15, 2/18-19, 2/21-22, 2/25-26 and 2/28 1939 September - complete
