unmounted mint Block Larger Than four 1955 Heuss, the uncut booklet sheet comprising three panes with gutters and large margin at left; separated vertically between panes 1 and 2; also 1956 Heuss, the similar uncut booklet sheet comprising four panes with interpanneau gutters; separated vertically between panes 2 and 3). A few perf. splits, otherwise fine and fresh unmounted mint. MHB 1, 2. DM.3375