TY  - BOOK
AU  - Proud,Edward B.(Edward Wilfrid Baxby)
TI  - Penny Black plates
CY  - Heathfield, [England]
PB  - Proud-Bailey Co. Ltd.
KW  - Great Britain
KW  - 1840
KW  - 19th Century
KW  - Plates and Plating
KW  - Production
KW  - Engraving
KW  - Errors and Varieties
KW  - Penny Black
KW  - First Issues
KW  - Definitive Issues
KW  - Classic Issues
ER  -