Reference
Hammered Coin - Lots of useful info on collecting hammered coins here.
Hammered Farthings - Site dedicated to English and Irish Farthings only.
Irish Coinage - Very useful site for early and later Irish issues of coins.
Portable Antiquities Scheme - Finds database, info on treasure act and archeology, lots of interesting stuff.
Roman Brooch Timeline - Handy ready reference to ID all those Roman Brooches.
UK Detector Finds Database - Great site with 1000's of coins and artefacts, used to record finds by some memebers.
Miscellaneous
Coins for Sale - As the name implies a dealer's sites with lots of examples of early coins.
Hammered Coins of England - Site dealing in hammered coins with lots of photo's, some interesting articles too.
National Council for Metal Detecting - Info on the NCMD and other detecting stuff.
Suppliers
Coin Gallery - Coin collecting supplies, albums holders etc.
Crawfords - Online retailer of detectors and accesories.
Gary's Detecting - New and used detecting equipment together reviews and other articles of interest.
Joan Allen - large and well established dealer of all things detecting.
Leisure Promotions - Detectors, accesories as well as service and repair. Detectors come pre-set up.
Regtons - another large and well established supplier.
Staffordshire Metal Detectors - Local dealer in all things detecting, lots of used detectors, other interesting stuff on his site.
Uk Metal Detectors - retailer with online shop.