unused Block Larger Than four  A block of six (2x3) in pale yellow-buff, fresh with large part original gum; the lower left stamp with pre-gumming thin caused by watermark ? A very rare and important multiple. Photo
unused Block Larger Than four A block of six (2x3) in pale yellow-buff, fresh with large part original gum; the lower left stamp with pre-gumming thin caused by watermark ? A very rare and important multiple. Photo

细节
unused Block Larger Than four A block of six (2x3) in pale yellow-buff, fresh with large part original gum; the lower left stamp with pre-gumming thin caused by watermark ? A very rare and important multiple. Photo