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Title: The hallmarking of gold and silver; a 15ft wall case exhibit [Go to resource]
Description: The hallmarking of gold and silver; a 15ft wall case exhibit in three section: - sampling, assaying, marking License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1956-235 Go to resource More Like this...
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