TY  - BOOK
AU  - MacDowall,David William
TI  - Coin collections: their preservation, classification and presentation 
SN  - 9231016199
PY  - 1978///
CY  - Paris
PB  - Unesco
KW  - Numismatics
KW  - Collectors and collecting
KW  - Coins
KW  - Preservation
N1  - Suppl. The audio-visual script with cross-references to book. Paris: Unesco, 1978. 8p. ; 20cm
ER  -