EL SALVADOR (1963) Raccoon (Mapache)*. Set of 4 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 697), 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 740, Yvert No 688. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Raccoon (Mapache)*. Set of 4 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 697), 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 on the colored background are white instead of black. Scott No 740, Yvert No 688. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Northern Coati (Pezote)*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 699), labelled "Direction Général des PTT - Archive des Timbre-Poste Suisseset Étrangers. These proofs are from the archives of Courvoisier S.A. and represent the issued set. Scott No 742, Yvert No 690. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Kinkajou (Micoléon)*. Set of 4 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 698), 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 743, Yvert No 691. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Yellow-headed amazon*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 696), labelled "Direction Général des PTT - Archive des Timbre-Poste Suisses etÉtrangers. 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 C201, Yvert No PA182. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Spotted-breasted oriole (Chiltota)*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 700), 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 C202, Yvert No PA183. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Spotted-breasted oriole (Chiltota)*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 700), 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 Latin scientific name has been shortened. Scott No C202, Yvert No PA183. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Turquoise-browed motmot (Talapo)*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 700), 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 C203, Yvert No PA184. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Turquoise-browed motmot (Talapo)*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 700), 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 instead of black. Scott No C203, Yvert No PA184. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Great-tailed grackle (Clarinero)*. Set of 4 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 698), 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 C204, Yvert No PA185. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Great currasow (Paujil)*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 696), labelled "Direction Général des PTT - Archive des Timbre-Poste Suisseset Étrangers. These proofs are from the archives of Courvoisier S.A. and represent the issued set. Scott No C205, Yvert No PA186. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) White-throated magpie-jay (Urraca gris)*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 699), 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 C206, Yvert No PA187. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
EL SALVADOR (1963) Golden-fronted woodpecker*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 696), 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 C207, Yvert No PA188. Quite possibly a unique set of proofs. Sismondo photo certificate.""
AVAILABLE AT $325
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) Coyote*. Set of 5 imperforate progressive proofs printed on glossy paper and originally affixed to an archival sheet (number 699), 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 738, Yvert No 686. Quite possibly a unique set of proofs. Sismondo photo certificate.
AVAILABLE AT $325