unused Block of Four SHANDONG BOHAI POST: 1946-47 $5 green in a top margin block of four, two light diagonal creases, one confined to the margin. S.G. EC251, Yang EC178

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unused Block of Four SHANDONG BOHAI POST: 1946-47 $5 green in a top margin block of four, two light diagonal creases, one confined to the margin. S.G. EC251, Yang EC178