Andy Lustig writes:

"This book just came to my attention; it is of special interest to collectors of patterns, as a number of international issues were considered during this time period."

Steven P. Reti, "Silver and Gold: The Political Economy of International Monetary Conferences, 1867-1892". Westport, CT: Greenwood Press, 1998. x + 214 pp. $59.95 (cloth), ISBN: 0-313-30409-2.

"For a more thorough review, go to http://www.eh.net/bookreviews/library/0225.shtml.
For more info on the international patterns, go to http://uspatterns.com/uspatterns/patforincoin.html."

From the review listed above:

Andy notes that "the best price on the web" seems to be $43.76 (plus postage) from: Gull's Nest Books, 23535 NW Cornell Road, Hillsboro, Oregon 97124 USA. Ph: 503-288-5942. E-mail: abeorders@gullsnestbooks.com Be sure to confirm availabilty and postage costs with the seller before ordering.