1921 35c red, three copies, one with period after "1921," used on separate flown covers to Halifax, fine-v.f., cat. $625 (Cat No. C3,3b) (Image)

Cat. $625, Est.$200

1933 $4.50 General Balbo surcharged adhesive, l.h., v.f., signed Bolaffi, cat. $325 (Cat No. C18) (Image)

Cat. $325, Est.$150

1933 $4.50 General Balbo surcharged adhesive, block of four (complete setting), l.h., v.f., signed Bolaffi, cat. $1300 (Cat No. C18) (Image)

Cat. $1300, Est.$500

1933 $4.50 General Balbo surcharged adhesive, used on flown cover from St. John's (26 July 33) via Shoal Harbor to London, with appropriate cachet and Rome arrival pmk on back, v.f., signed Bolaffi, cat. $800 (Cat No. C18) (Image)

Cat. $800, Est.$250

1933 Balbo Flight Surcharge, $4.50 on 75c yellow brown, partially doubled surcharge, clearly visible in the numbers of the date and value (partial offset of the surcharge on reverse as well), position 1 of the setting and the only one recorded unused (there was an example used on cover in the Cyril Harmer collection), small surface mark at left (seems to be from the surcharging process), very fine in all respects, 2010 BPA certificate (Unitrade C18iii, listed but unpriced) (Cat No. C18var) (Image)

Est.$25,000

1919 (12 July) "Martinsyde" Supplementary mail (only 25 flown) by pilots Raynham & Morgan, cover franked by $1 Trans-Atlantic surcharge tied by St. John's machine duplex, sent to London, with arrival markings, small part of backflap torn away, otherwise fine, signed Bolaffi, Colla, etc., with 1965 Bolaffi certificate, also with a 1943 Francis Field certificate and explanation (as the flight was delayed, the mail bag, originally made up on May 18, was opened on July 12, and an additional 25 covers, all franked with the $1 surcharge, were added. The flight crashed on takeoff, and Capt. Raynham subsequently went to England by ship, forgetting to turn the mail over to the Post Office until January 7, 1920, hence these covers were not backstamped until then). (Image)

Est.$2,500

1919 (12 July) "Martinsyde" Supplementary mail (only 25 flown) by pilots Raynham & Morgan, cover franked with $1 Trans-Atlantic surcharge tied by St. John's machine duplex, sent to London, with 7 January backstamp, also endorsed "Martinsyde Mail Bag", fine and scarce cover, with additional Harry A. Truby and October 14 1921 datestamps (as the flight was delayed, the mail bag, originally made up on May 18, was opened on July 12, and an additional 25 covers, all franked with the $1 Surcharge, were added. The flight crashed on takeoff, and Capt. Raynham subsequently went to England by ship, forgetting to turn the mail over to the P.O. until January 7, 1920, so the covers were not backstamped until then) (Image)

Est.$2,500

1930 (9 Oct) Second "Columbia" Transatlantic flight cover, endorsed "air mail Columbia", addressed to London, with arrival (13 October) datestamp, franked with 4c rose (defective), minor cover faults, also with enclosure "we have received your letter which you sent over by Capt. Boyd. Trusting this souvenir will reach you safely" (Image)

Est.$250