The Portable Antiquities Scheme & Treasure Act, England

http://finds.org.uk/

Early Medieval Coin Corpus, Fitzwilliam museum

http://www-cm.fitzmuseum.cam.ac.uk/dept/coins/emc/

The Searcher Magazine

http://www.thesearcher.co.uk/index.php

The Treasure Hunting Magazine

http://www.treasurehunting.co.uk/

Excellent George Washington Inaugural Button’s Website

http://georgewashingtoninauguralbuttons.com/