A type of paper invented and patented by C. F. Steel in the U.S.A. about 1870, and consists of two thin sheets of differing character, substance, tint, or colour, cemented together. Designed to prevent forgery, erasure, and tampering, e.g. a 'security' paper. It was (vide Gibbons) used for printing some of the 1873 issues of the U.S.A. There is a modern tendency to use the term for double-thick paper which makes for confusion.
- R. J. Sutton 6th edition revised by K. W. Anthony
The Stamp Collector's EncyclopaediaPublished 1966Posted January 25, 2000
Index of 507 Notes from the Past
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