1928 First Flight Portugal - United States, addressed to Mrs. Olive Courtney (presumably the sister of the pilot) in Montreal, Canada, with six-line "Primeiro Correio Aereo Transatlantico Lisboa - American Junho 1928" handstamp, and Frank Courtney's affidavit describing the flight, fire and subsequent rescue, notarized in New York (by Ada Harrison), v.f. and rare (Cat No. Mueller 6) (Image)

Est.$2,000

1898 Vasco da Gama, complete set of six, each handstamped "T" in black, affixed on lined paper, fine-v.f. (Cat No. J1-6) (Image)

Est.$250

1898 Vasco da Gama, two complete sets of six, cancelled "T" in circle (Lisboa) and triangle (Porto), fine-v.f. (Afinsa 1-6) cat. €344 (Cat No. J1-6) (Image)

Cat. €344, Est.$150

1898 Vasco da Gama, complete set of six, each handstamped "Specimen" in violet, affixed on pieces, fine-v.f. (Cat No. J1-6S) (Image)

Est.$250

1904 unissued designs, 1/2c-10c, seven different imperforate essays affixed on card, last six with denomination filled in by pen, little toning, otherwise fine (Image)

Est.$750

1904 "Porteado", master die proofs in carmine, also in green, each on glazed card, with uncleared value tablet, mount residues on back and minor creasing (Image)

Est.$250

1904 unissued designs, 1/2c-10c green, imperforate sheetlet of seven, fine (Image)

Est.$500

1904 Issue, color trials, two imperf. and gummed sheetlets of seven, in orange and carmine, some toning and creases, otherwise fine-v.f. (Cat No. J7-13P) (Image)

Est.$250

1904 "Porteado", 100r black, enlarged design, die essay on card, little toning, otherwise fine (Cat No. J13E) (Image)

Est.$250

1910 5r-100r overprinted "Republica", two imperforate and gummed sheetlets of seven in orange, also in gray, h.r., some toning, fine (Cat No. J14-20P) (Image)

Est.$500