Security graphics & engravings ...

American Bank Note Company
Bradbury Wilkinson & Co. Ltd. - Headed notepaper
Canadian Bank Note Company, Limited - Headed notepaper
Giesecke & Devrient G.m.b.H.
Státní tiskárna cenin s.p., Prague
Other engravings
Books & publications
The Story of American Bank Note Company, 1959
American Bank Note Company
The EXCHANGE, March 1962 (ABNC)
Canadian Bank Note Group
Státní tiskárna cenin, s.p., Praha