Extensive Farley plate and position block collection, 1935-1936. Hundreds of imperf plate and position blocks arranged in mount on large homemade pages. Includes National Park series complete with as many as 12 plate blocks for each denomination, as well as position blocks. Also Mother's of America, Wisconsin and 16 cent Special Delivery. Hard to find like this these days, generally Very Fine. Estimate  $750 - 1,000. $0