Beach find mystery

[indi]

went out for a couple hours this weekend not a lot to report i found a ton of melted aluminium and bottle tops, but i did get my first coin on the beach a 20 cent piece when it first came up i thought i may had a florin and the next item i have no idea i think maybe copper and seems to have a bit of age it came from about 10 inches down any members have any ideas

 

[HarryHoudini]

wasted 20 cent.
cheers

hh

 

[indi]

lol was talking about the item next to the 20 cents

 

[pinfire opals]

A piece off a alloy prop maybe ?

 

[Clodmaster]

Head of a golf putter?

 

[indi]

its very thin but could be Clodmaster