75th Anniversary of Rotary International

Identity

CodeSeries code YYYY.ENT.SS — year, 3-letter issuing entity, sequence (e.g. 1900.CGH.01).

0000.OMN.07

EntityPostal authority that issued the stamps (country, territory, or historical entity).

Oman (OMN)

Year

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TypeIssue kind. Charity issue = postage + voluntary surcharge (e.g. 6+4), not an overprint.

Illegal