Interesting and useful links
Disclaimer: These links are to external websites and the CBAMD club has no control over these sites content.
Metal detecting
The Federation of Independent Detectorists.
The portable antiquities scheme is a voluntary recording scheme for archaeological objects.
Coin websites
The portable antiquities scheme also hosts the Celtic coin index.
celticcoins.ca hosts another Celtic coin database.
Wildwinds has a large database of Celtic, Roman, Greek and English hammered coins.
A searchable database of Roman coin legends is available on romancoin.info.