Boys Town 23.1pcp.x, 1951 Boys Town Spring Charity Seals, PCP Sheet Set, F, MNH. Nine (9) full sheets of progressive color proofs of the 1951 Boys Town Special Spring Seals. The sets are relatively rare and usually not found in this pristine condition. Never folded, full rich colors. All with full undisturbed gum.
1951 Boys Town Spring Charity Seals are a pictorial sheet of 25 diff. designs, each with "Boys Town Nebraska" and title of the picture. All are multicolored and dated 1951. Seal size: 49x37; perf. 121/2; sheet of 25, 5x5; SE4s.
These seals known as "Boys Town Special Spring Seals" were released the following years: 1951, 1952-59, 1960, 1962, 1963, 1965, 1966, 1967, and 1976. The only dated sheet in this series is the 1951.
Progressive Color Proofs are usually issued in sets to show colors separately and in combination. In this instance, the progression is as follows: (1) Yellow, (2) light blue, (3) 1+2, (4) red, (5) 3+4), (6) black, (7) dark blue, (8) 6+7, (9) completed sheet.
Boys Town Special Spring Seals are usually classified as Charity Seals, or Cinderella stamps.