The following links will lead you to some of the world's greatest collections - those held by museums. Some of the museums have somewhat limited on-line catalogs available while with others the catalogs are immense. Visiting them can not only be educational, it can be downright fun.
The Hermitage Museum The Hermitage
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Currency Museum of the Bank of Canada Bank of Canada
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Kunsthistorisches Museum Vienna Kunsthistorisches Museum Vienna
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The Fitzwilliam Museum Dept. of Coins & Medals
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