An exceptional and highly prestigious investment-grade philatelic rarity: The complete airmail (Correo Aéreo) series issued by Spain on December 1, 1947, featuring the composer Manuel de Falla (25 Pesetas) and the painter Ignacio Zuloaga (50 Pesetas This lot is accompanied by a full, original Certificate of Authenticity issued on November 19, 1997, by the renowned court-appointed philatelic expert Dr. Giovanni Chiavarello (Perito Filatelico del Tribunale di Napoli). Condition: Mint Never Hinged (MNH) / Postfrisch. Flawless, 100% full original gum with absolutely no hinges, hinge marks, or disturbances. Expertise Text (Translated from Italian): "I have examined the series of two stamps of Spain, 1947, 'Falla e Zuloaga', mint with gum. In my opinion, the two stamps are original, have intact original gum, and are perfect: I have signed them."