Watch List notes:

British Tokens, Nineteenth Century Silver Tokens, Flintshire, [Holywell], Flintshire Bank, pattern shilling in copper, August 12 1811, obv. as the circulation varieties, rev. similar to the adopted types but with floral ornaments above and below BANK TOKEN (probably as Waters, Notes on the Silver Tokens of the Nineteenth Century (1957), p. 18; Dalton/Mays -), toned with lustre remaining within and around the devices and legends, about mint state, attractive and exceedingly rare
*ex Baldwin's vault
Estimate: 150-250 GBP