Name: 1938, Pro Aero, Single stamp, mint never hinged
SKU: 21340
Price: 8900.00 CHF

Original image

Very clean and freshly colored piece, with nicely centered brand image. The stamp is perforated intact on all four sides and is absolutely mint never hinged and free of errors. An extremely rare brand! Tested by Marchand with a certificate
Catalog no. (SBK)	F26
Version	Single stamp
Cancellation	mint never hinged

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Daniela Wieland
Steinmattli 2
CH-6055 Alpnach
Switzerland