1873 1c black, trial color proof on india, top margin plate number and imprint block of 16, affixed to card, light crease at top, otherwise v.f. (Cat No. 156TC3) (Image)

Est.US$500

1873 2c, 7c, 12c, 15c, 24c, 30c and 90c Panama-Pacific small die proofs on yellowish wove paper, seven different, usual minor toning and occasional tiny thin specks, fine-v.f. group of these extremely rare die proofs, less than five of each printed, cat. $17500 (Cat No. 157P2a/166P2a) (Image)

Cat. $17500, Est.US$3,500

1873 3c Green, with Experimental "J" Grill, l.h., clearly-defined grill, rich color, fresh and fine, scarce stamp, ex-Cloudrest collection, 1993 PFC no longer accompanies, cat. $550 (Cat No. 158e) (Image)

Cat. $550, Est.US$150

1873 15c orange, used on registered cover from Waltham, Mass (Oct. 8) to Lausanne, Switzerland, boxed red New York registered and black "Charge" handstamps, Basel and Geneva transits on reverse, stamp with inconsequential tear, still a fine single stamp usage paying the 5c rate plus 10c registration fee (Cat No. 163) (Image)

Est.US$150