06 April (United States of America ) within release S.T.E.M. goes into circulation Se-tenant Promotion of STEM Education (Science, Tech, Engineer, Math) face value 4*FOREVER No Face Value
Se-tenant Promotion of STEM Education (Science, Tech, Engineer, Math) in catalogues | |
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Stamp Number: | Sn: US 5279a |
Se-tenant is square format.
Face value for each stamp on day of issue US$0.50Also in the issue S.T.E.M.:
Se-tenant Promotion of STEM Education (Science, Tech, Engineer, Math) it reflects the thematic directions: