Fiddle Back Spoons Lot Silver Coin Hallmarked Antique Colonial Hall Elton

Description

Set of five fiddleback spoons 

I do not know anything about these. 
Consigned by a wealthy family estate.
Sold As is no returns

8.5" large ones and one is 5  7/8" long

Three marked Hall one with a stamped mark,
I do not know any thing about and one is not marked at all.

Could be a gem in here ?