8c Pan-American (298). Top imprint and plate no. 150 block of six with Bureau employees' initials across the top, bottom left stamp single hinge mark, others Mint N.H., bright colors, detailed impressions, extraordinary centering throughout

EXTREMELY FINE. A MAGNIFICENT PLATE BOCK OF THE 8-CENT PAN-AMERICAN ISSUE.

We have rarely encountered this plate block with such choice centering.

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