Watch List notes:

BRITISH COINS, Charles I, Silver Sixpence, 1626, group B, crowned bust left, initial mark cross calvary (1625-1626) both sides, colon stops in legend, rev long cross fourchée over square topped quartered shield of arms, no reverse stops, 2.89g (Brooker 578, this coin; N 2236; S 2807). A little uneven in shape and ragged on part of rim, otherwise about very fine.
ex John G Brooker Collection, sold to Spink, from 1979

ex Alfred Bole Collection, Sixpences (part I), DNW auction, 29 September 2010, lot 1547

Estimate: £200-300