TY  - BOOK
AU  - Schimmer,Karl H.
TI  - Porte de mar
CY  - Tucson, Ariz.
PB  - Mexico Elmhurst Philatelic Society International
KW  - Covers (Philately)--Mexico
KW  - Postage stamps--Mexico--Forgeries
KW  - Ship letters--Mexico
ER  -