Place of Origin United States
Quality Used
Grade Ungraded
Certification None
Cancellation Type First Day of Issue
Denomination 10c
Year 974

Check the listing for details. US FDC # 1527 10c Preserve Environment Artmaster block + # UL 974, 9M284. Listed at 1.50 USD. And this would cover up to about 20 covers. #10 envelopes also are being effected but usually less than.

$1.20
$1.50