CoinTelevision: How Intaglio Printing Plates Were Made for Paper Money.
International Paper Money Show (IPMS) 2017. Educational Seminar. Peter Huntoon. See how U. S. intaglio currency plates were made prior to 1929. Learn what is meant by terms such as transfers, re-entry and white-line work, then cap it all off by viewing the most spectacular glitches that have been discovered on the proofs, most of which haven’t been found on notes by collectors yet!
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