Proof coinage (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Proof coinage" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

low place

8,877^th place

books.google.com

Evans 1892, p. 178. Evans, George Greenlief (1892). Illustrated History of the United States Mint: With Short Historical Sketches and Illustrations of the Branch Mints and Assay Offices, and a Complete Description of American Coinage ... Philadelphia: G. G. Evans.

colnect.com

"Proof Coinage Catalog". Colnect. Retrieved September 18, 2014.