British Coins, Coin Box: Charles II, Crown, 1664, second laur. bust r., rev. crowned cruciform shields, interlinked Cs in angles, edge ANNO REGNI XVI (ESC.28; S.3355), the box with screw fitting, very fine, the lettered edge intact, unusual and rare; the box contains a Charles II, Maundy twopence, 1678, very fine (2)
A similar silver crown box was sold by this house, sale 37, 27 June, 2016 (lot 440). The footnote for that piece stated, "Collections and sale catalogues abound with box-thalers made from all manner of European crown-sized coins, but this appears to be an entirely English production using an English coin and as such is extremely rare".
(300-400 GBP)