AUSTRIA (1953) Buzzard*. Black print. Scott No C58, Yvert No PA58. Scott catalog value of regular stamp is $100.00 and of course the black print is much scarcer!
AVAILABLE AT $200
GERMANY (Berlin) (1963) Peregrine falcon*. Photo essay (See Note) for unaccepted design of bird series. Scott No 9NB29, Yvert No 226.
AVAILABLE AT $60
GERMANY (Berlin) (1972) Goshawk*. Photo essay (See Note) for unaccepted design of bird series. Scott No 9NB97, Yvert No 407.
AVAILABLE AT $60
GERMANY (Berlin) (1972) Buzzard*. Photo essay (See Note) for unaccepted design of bird series. Scott No 9NB97, Yvert No 407.
AVAILABLE AT $60
GERMANY (Berlin) (1972) Peregrine falcon*. Photo essay (See Note) for unaccepted design of bird series. Scott No 9NB98, Yvert No 408.
AVAILABLE AT $60
GERMANY (Berlin) (1972) Montagu's harrier*. Photo essay (See Note) for unaccepted design of bird series. Scott No 9NB99, Yvert No 409.
AVAILABLE AT $60
GERMANY (1972) Osprey*. Photo essay (See Note) for unaccepted design of bird series. Scott No B481, Yvert No 560.
AVAILABLE AT $60
GERMANY (1972) Accipiter*. Photo essay (See Note) for unaccepted design of bird series. Scott No B496, Yvert No 604.
AVAILABLE AT $60
GERMANY (1972) Red kite*. Photo essay (See Note) for unaccepted design of bird series. Scott No B498, Yvert No 606.
AVAILABLE AT $60
GAMBIA (1993) Birds of prey. Set of 8 imperforate proofs mounted in House of Questa folder. Scott Nos 1367-74, Yvert Nos 1319-33,1378-81.
AVAILABLE AT $200
NORTH KOREA (2009) Northern Goshawk (Accipiter gentilis). Photo proof from printer's archive. Scott No 4827. KSC No 4613. Only 5-10 printed as test print prior to actual printing of the stamps. Each has official Korea Post stamp on reverse.
AVAILABLE AT $100
SOUTH WEST AFRICA (1975b) Black eagle*. Imperforate proof pair from margin of sheet with color bars. Scott No 374, Yvert No 348.
AVAILABLE AT $175
SOUTH WEST AFRICA (1975c) Martial eagle*. Imperforate proof pair from margin of sheet with color bars. Scott No 375, Yvert No 349.
AVAILABLE AT $175
AVAILABLE AT $500
EL SALVADOR (1963) King Vulture*. Set of 4 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 695), labelled "Direction Général des PTT - Archive des Timbre-Poste Suisses et Étrangers. These proofs are from the archives of Courvoisier S.A. and represent the issued set. Scott No C200, Yvert No PA181. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) King Vulture*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 695), labelled "Direction Général des PTT - Archive des Timbre-Poste Suisses et Étrangers. These proofs are from the archives of Courvoisier S.A. and differ from the issued set in that the inscriptions are white on the colored background instead of black. Scott No C200, Yvert No PA181. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325