SPECIAL COLLECTIONS
Philadelphia. National Philatelic Museum. *sco First International Exhibition, Postage Stamp -P9L9 Design. Philadelphia, National Philatelic Muse-
.P53M um £1954) v.6 55-2h6p. illus. 23cm. (Its Official bulletin,
no.2 v.6,no.2)
1. Postage-stamp design.