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V13 2010 INDEX       E-SYLUM ARCHIVE

The E-Sylum: Volume 13, Number 34, August 22, 2010, Article 10

COIN CHEMISTRY REFERENCE BY GERHARD WELTER

In response to Warner Talso's earlier question, Peter Gaspar writes:

Welter Warner Talso asked for recommendations of book on the chemistry of coins. You cited Weimar White's book, and while I can't find my copy, and thus don't want to offer criticism of it, my recollection is that I did not find it useful.

There are very few single volumes on the deterioration of coinage alloys and their conservation. The one I can recommend with enthusiasm is also an oldie: Gerhard Welter, "Die Reinigung und Erhaltung von Muenzen und Medaillen" (The cleaning and conservation of coins and medals). I have the fourth expanded edition of 1970, published by Klinkhardt and Biermann in Braunschweig, Germany. There is an English translation published in the 70's by Hans Schulman but it is highly abridged, and I do not recommend it.

The German edition that I use is a 124 page paperback, just crammed with concisely presented information in its nine major sections and ca. eighty subsections. It begins with a description of coinage metals and their properties, then goes on to the changes that these metals and their alloys suffer over time, the cleaning of coins, the removal of corrosion products, various other techniques for the treatment of coins, and several further sections with topics such as protective coatings, how to make worn inscriptions visible, how to make plaster casts and other reproductions, coin photography, metal analysis, and authentication methods.

If one can read German Welter's book is a treasure. I don't know whether further editions were published.

Peter provided the above image of the Welter book. Thanks! -Editor

To read the earlier E-Sylum article, see: QUERY: COIN CHEMISTRY REFERENCE SOUGHT (www.coinbooks.org/esylum_v13n32a14.html)

THE BOOK BAZARRE

A FEW UPCOMING SEPTEMBER 16, 2010 AUCTION HIGHLIGHTS

The First Twelve Catalogues Issued by Jacob Hirsch: Unique annotated sales copies, generally recording information about the coins in the sales and the collectors who acquired them that may be found nowhere else.

Also Featuring Hirsch’s Ars Classica sales devoted to ancient coins and other key coin and medal sales, including Rhousopoulos, Weber I & II, and Löbbecke.

KOLBE & FANNING NUMISMATIC BOOKSELLERS
(614) 414-0855 • df@numislit.com GFK@numislit.com


Wayne Homren, Editor

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