1909 5c deep blue and black, double overprint, block of four, n.h., fresh and v.f., only 200 printed (catalogue value for hinged singles) cat. $1500 (Cat No. 33a) (Image)

Cat. $1500, Est.$750

1909 8c violet and black, upper left corner "8 Centesimos No" block of four, top stamps without overprint, fresh color, usual centering, h.r., fine, only 10 errors printed as the result of a sheet miss-fed into the press, ex-Drucker (catalogue value for two pairs) cat. $3500 (Cat No. 34a) (Image)

Cat. $3500, Est.$1,500

1924-25 1c deep green, "Zone Canal", block of four, heavy h.r. or disturbed gum, fine-v.f., only 180 stamps were issued with this variety (catalogue value for singles) cat. $2000 (Cat No. 71d) (Image)

Cat. $2000, Est.$1,000

1925 5c dark blue, right margin block of four, top stamps without overprint, bottom stamps with overprint inverted, natural straight edge at top, n.h., fresh and v.f., only 10 of this variety printed making this a major Canal Zone rarity, ex-Drucker (catalogue value for two hinged pairs) cat. $4500 (Cat No. 86g) (Image)

Cat. $4500, Est.$2,500

1925-28 2c carmine, "Zone Canal", block of four, heavy h.r., fine-v.f., only 180 stamps were issued with this variety (catalogue value for singles) cat. $1800 (Cat No. 84b) (Image)

Cat. $1800, Est.$1,000

1931 (5 Dec) first flight cover from Cristobal to Mexico, with oval cachet, with Vayo Obisbo arrival pmk on back and additional cachet added on back for another flight via New Orleans back to Canal Zone, v.f. (Image)

Est.$150