Watch List notes:

BRITISH COINS, George II, Copper Proof Halfpenny, 1729, young laureate and cuirassed bust left, rev Britannia seated left, date in exergue, prominent toothed border and rim both sides (Peck 832; S 3717). Evidence of die rust around legends both sides, otherwise about extremely fine, dark tone.
ex Baldwin's Auction 52, 25 September 2007, lot 511

Estimate: £150-200