1928 Olympic Issues of Other Countries. Portugal: 1928 Olympic 15c and 30c with "ESPÉCIMEN" hs affixed to printer's presentation notice, 13.5x14.4cm, inscribed at top "Casa da Moeda e Valores Selados" (the security printers) and "Selos comemorativos da IX Olimpiada" (commemorative stamps of the 9th Olympiad), some foxing, very rare. (Image)

Huygens Postal Stationery Cards (ordered by Series number). 1928 7 1/2c official postal stationery card by Huygens, proof in brown (Serie not inscribed but as Serie A) showing printer's name at lower left and "PROEFMODEL" at top right and no stationery die, very fine and scarce. (Image)

1928 7 1/2c official postal stationery card by Huygens, proof in black (Serie not inscribed but as Serie A) showing printer's name at lower left and "PROEFMODEL" at top right and no stationery die, vertical crease at right, scarce. (Image)

1928 5c official postal stationery card by Huygens (Serie A.6001), cancelled by the Olympic pentagonal "N2" ds, a little foxing at top left, fine and scarce with the Olympic cancel. (Image)

1928 5c official postal stationery card by Huygens, proof in black (Serie B) with "PROEFMODEL" at top right and no stationery die, fine and scarce. (Image)

1928 5c official postal stationery card by Huygens, proof in black (Serie C.1) with "PROEFMODEL" at top and no stationery die, very fine and scarce. (Image)

1928 5c official postal stationery card by Huygens, proof in black (Serie not inscribed) with "PROEFMODEL" at top right and no stationery die, very fine and scarce. (Image)

1928 7 1/2c official postal stationery card by Huygens, proof in black (Serie not inscribed) showing printer's name at lower left and "PROEFMODEL" at top right and no stationery die, very fine and scarce. (Image)

1928 7 1/2c official postal stationery card by Huygens, proof in brown (Serie not inscribed) showing printer's name at lower left and "PROEFMODEL" at top right and no stationery die, oxidised colour, fine and scarce. (Image)

1928 5c official postal stationery card by Huygens (Serie D.1000), cancelled by the Olympic pentagonal "N2" ds, minor fox spots otherwise fine and scarce with the Olympic cancel. (Image)

1928 5c official postal stationery card by Huygens, proof in black (Serie D.1) with "PROEFMODEL" at top and no stationery die, very fine and scarce. (Image)

1928 5c official postal stationery card by Huygens, proof in black (Serie D.1-1000 with last 0 crossed out in pen) with "PROEFMODEL" at top and no stationery die, very fine and scarce. (Image)

1928 5c official postal stationery card by Huygens, proof in black (Serie E.1) with "PROEFMODEL" at top and no stationery die, very fine and scarce. (Image)

1928 3c official postal stationery card by Huygens (Serie F.1) depicting football, light horizontal bend, fine appearance, a popular card with this football thematic. (Image)

1928 3c official postal stationery card by Huygens depicting Cycling (Serie F.2), unused, some minor peripheral toning, fine. (Image)

1928 3c official postal stationery card by Huygens depicting Boxing (Serie F.3), unused, small stain at top and light vertical bend at right, fine. (Image)

1928 3c official postal stationery card by Huygens depicting Swimming (Serie F.4) with "DE REGENTES" advert below, unused, very fine (Image)

1928 3c official postal stationery card by Huygens depicting Swimming (Serie F.4) with "DE REGENTES" advert below, cancelled by the Olympic pentagonal "N2" ds, small tone spot at left, fine. (Image)

1928 5c official postal stationery card by Huygens, group of 11 unused cards, all different, incl. Serie A.1-1000, A.1001-2000, A.2001-3000, A.3001-4000, A.4001-5000, A.5001-6000, A.6001-7000, B.1-1000, C.1000, D.1000 and E.1000, some light toning on some cards otherwise fine and scarce group. (Image)

Issued Stamps, Covers and Cancellations. 1928 Olympics group incl. two examples of the 10c with variety IMPERF. AT RIGHT between stamp and margin, one with "14" in margin in pair (perf. splitting and heavily toned) and single with "18" in margin (toned gum), 10c cancelled marginal block of four with double perforations at right 30c with offset on reverse in pair, and five vignettes, stored in a humid climate so variously affected by toning. (Image)

1928 Commemorative set of Amsterdam Olympics on cover to Switzerland bearing the scarce registration label "Amsterdam Stadion". (Image)

1928 (May 13) envelope sent registered and express to Germany with seven Olympic stamps tied by the stadium "N2" pentagonal ds, with "Amsterdam / Stadion" in manuscript on registration label, some minor toning, Berlin arrival bs, attractive and scarce ms reg'n label. (Image)

During the Games: 1928 (May 21) pair of envelopes sent with the complete Olympic set of 8, tied by the stadium "N2" pentagonal ds in violet, postman's hs on reverse, one with minor stain, fine and scarce examples of this cancel in violet, sent during the hockey competition. (Image)

During the Games: 1928 (Jun 13) postcard with violet cachet of the Stadium Post Office ("Wijkkantoor Post, Telegraaf en Telefoon / Amsterdam Stadion / De Beheerder") on reverse, with three non-Olympic 1 1/2c tied by the stadium "N2" pentagonal ds, fine, sent during the football competition. (Image)

1928 (Jul 11) envelope sent registered and express from the Olympic stadium to Switzerland with the complete Olympic set of 8, tied by the stadium "N2" pentagonal ds with "AMSTERDAM / STADION" hs registration label adjacent, Wallisellen arrival bs, some minor foxing, fine and attractive. (Image)