English: One of a series of US commemorative stamps featuring butterflies - Dogface - Colias eurydice - 13-cent 1977 issue U.S. stamp.
Date
Source
U.S. Postal Service; National Postal Museum:
Butterfly Issue
Author
Bureau of Engraving and Printing. Designed by Stanley Galli.
Licensing
Public domainPublic domainfalsefalse
This United States postage stamp was
published prior to 1978 and is therefore in the public domain in the United States. See
Commons:Hirtle chart for further explanation. Note that it may still be copyrighted in jurisdictions that do not apply the
rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50
p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.