1965, Student's Activities, Chemistry Lab, 10ch multicolored, bottom sheet margin single imperforated at the bottom, CTO with full OG, VF and scarce, Est. $75-$100 (Image)

DUPLICATED UNIT OF EARLY MATERIAL: 1946-66, about 650 mint stamps and two souvenir sheets, starting with 110 early singles and sets of pre-1957 period with several originals, but mainly official reprints, altogether nice topical issues presentation, strong in Animals, Birds, Fishes, Flowers, Sports and etc., minor flaws possible, still F/VF with high C.v., Est. $500-$600 (Image)