Watch List notes:

British Coins, George V, proof halfcrown; sixpence; threepence, 1927, bare head l., rev. shield of arms, crowned interlinked Gs at sides/oak sprigs and acorns (S.4037/4040/4042), all lightly toned, about mint state (3)
Sold to the consignor as matte proofs, but they are believed to be regular proofs.
Estimate: (100-150 GBP)