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EL SALVADOR (1948) Roosevelt. Cordell Hull. Margin block of 4 imperforates with control punch. Also included are imperforate blocks of 4 of the frames from different stamps of the same series (5c, 8c, 12c, 2col), each with interesting markings in ink. Scott No 609, Yvert No 559. Fascinating study on this issue!
AVAILABLE AT $200