553 | Panama. Airmail

★★Yvert 79. 1947. B/.0´05 sobre 7 cts rosa carmín, pareja, esquina de pliego. Variedad UN SELLO SIN SOBRECARGA ADICIONAL EN EL MARGEN SUPERIOR. MAGNIFICA Y EXTRAORDINARIAMENTE RARA, PROBABLEMENTE UNICA CONOCIDA.

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Automatically generated translation

★★Yvert 79. 1947. B/.0´05 on 7 carmine rose cts, couple, corner of sheet. Variety A SEAL WITHOUT ADDITIONAL OVERLOAD ON THE TOP MARGIN. MAGNIFICENT AND EXTRAORDINARY RARE, PROBABLY THE ONLY KNOWN.