I found this the other day too I believe this is a "loom" weight it weighs 15 oz's and going by the lead sulphate deposits on it has been in the ground a long time maybe roman/medieval?
Found this yesterday
I think it could be a horse bridal decoration maybe medieval? missing a glass or agate stone centre piece its gold gilt and looks enameled
its got a flat metal bit on the back which may of clipped onto/behind the leather straps? tip to toe its about 2 1/2 inch's
It is
Getting permissions from land owners and finding out the history is the hard bit, I use bing ordnance survey maps and just look for likely area's and google farms in that area and ring them up they can either say yes or no LOL
My first detector was a AT Pro still got it but have got a Minelab CTX
Found 2 more silver's today both six pence's but 1 was William III very worn cant see whole date or much portrat quite rubbed too the other was George V 1928 and is in rather good condition