1949 4c deep red, unused postal card, v.f., with regular 4c red orange included for comparison, cat. $500 (Cat No. UXC1a) (Image)

Cat. $500, Est.$150

1958 entire envelope, pre-printed "United States Air Mail Postage 6c", fully imprinted inside (mirror image) in violet, unused, v.f. (Cat No. UC25E) (Image)

Est.$450

1958 6c+1c green, surcharge essays, two 6c red entire envelopes (normal and legal size), with red and blue borders, each with Plane, Train & Ship surcharge essay without denomination and "U.S. Postage" label, both with black "Canceled" overprint, v.f. (Cat No. UC30E) (Image)

Est.$2,000