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The Leon McKee Air Post Collection
Early Airmail Issues C1-C19 (NH)
* Pop (population) values are the number of stamps graded by Scott number and condition for each item listed.
Pop Higher values represent the number of stamps which are worth more points in the Registry, taking into account bonus points for Jumbos whereas 80J = 83, 85J = 88, 90J = 93, 95J = 97, 98J = 99, 100J = 102. J Pop Higher values are the number of Jumbos graded higher for each item listed.