Watch List notes:

Michael, Thomas & Cuhaj, George, Standard Catalog of World Gold Coins, Iola, Wisconsin, USA, 2009, Krause Publications, 6th edition, 1,439 pages, hardcover, this book goes into such specifics as fractional privately minted coins from US territories and siege coins and overall a great source of basic, and sometimes in depth, information on gold coins from 1601-2009.

Estimate: 40-60 USD