American Philatelic Association, American Philatelic Society · Altoona, Pa. : [American Philatelic Association] · leaf 181
THE AMERICAN PHILATELIST 171 … Three positions on the plate show strong glass, the reduplication of ths two guide dots instead of one at the bottom part of the letter "E" of upper left, two of these positions be- "Cents" may also be detected. The ing 18 Rl and 36R1, while the third other two major shifts strongly re- has not…