Losnr. 1271 - 202.-204. Auktion
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Losnr. : 1271 Sudan
1931/37: Airmail 10 m. frame only marginal Proof in ultramarine on thick card paper, matching 'vignette only' Proof on thin card paper in ultramarine and 2½ pi. magenta & blue in a vertical mint imperforate pair on watermarked paper, with large part og. A fine and scarce group.Ausruf : 150 CHFZuschlag : 150 CHF