1914-1940 Revolutionary and Early 20th Century Period 1934-35, Airmails

1914-1940 Revolutionary and Early 20th Century Period 1934-35, Airmails, 5c., 10c., 30c., 40c. and 1p., die proofs on thick watermarked paper in the issued colours, showing the design framed in black and with a "MUESTRA" perfin. Extremely rare.

估價:$1,200

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