1982, Philip Mazzei, 40c multicolored, perforation 10 1/2x11 1/4, complete pane of 50 with all offset colors except black strongly shifted to the left, full OG, NH, VF and a spectacular item, Est. $1,500-$2,000

1985, Trans-Pacific Airmail, 44c multicolored, top sheet margin imperforated vertical pair, full OG, NH, VF, C.v. $600, Est. $250-$300

150.00

1989, 20th UPU Congress, Futuristic Mail Delivery, (45c) multicolored, bottom sheet margin se-tenant block of four with light blue (engraved) color omitted (US Airmail. 45), full OG, NH, VF, C.v. $500, Est. $250-$300

150.00

1990, Tropical Coast, 45c multicolored, top left corner sheet margin plate No.A1111 block of 16 (4x4), four pairs of the block are partly imperforated due to foldover, including pair imperforated horizontally, pair imperforated at top and between stamps and two pairs imperforated at top, all with diagonal perforation lines, full OG, NH, VF and reportedly unique item, Est. $1,600-$2,000