Watch List notes:

BRITISH COINS. Other Properties. Isle of Man Tokens. Douglas, Douglas Bank (Littler Dove and Co), Copper Shilling, undated trial or test piece, view of Peel Castle from the sea, linear circle and toothed border surrounding, rev struck en médaille, S.ASH, counterstamp A above, toothed border surrounding, plain edge (Davis 7; Pr 49; M 104). A little pitted and weak, toned, good fine and extemely rare, one of only four specimens known.
with old A H Baldwin stock ticket in the hand of Douglas Mitchell, priced at
£10, c.1930

Estimate: £800-1000