10c Yellow, Bluish (364). Block of four, h.r., intense shade on nicely blued paper, one or two trivial perf separations at top, bottom left stamp single perf tip thin

FINE. A SCARCE ORIGINAL-GUM BLOCK OF FOUR OF THE 10-CENT BLUISH PAPER ISSUE.

Only 40 sheets (4,000 stamps) were printed of the 10c. Three plate blocks are known. We have offered only one other block of four since 1989. Scott Catalogue assigns only a $600.00 premium for a block of four versus four singles.

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