Furnace is located some 7 miles NNE of Aberystwyth.  It is the site of a silver mill of The Society of the Mines Royal, one of two English mining monopoly companies incorporated by royal charter in 1568.  Coins, with a crown mintmark, were minted here in 1648/9, after the Civil War.  Denominations: Halfcrown, shilling, sixpence, groat, threepence, half-groat and penny. (Spink numbers 2908-14).

BNS Research Blog Reference:   A Third Obverse Die for Dovey Furnace Threepences, D. Greenhalgh, 2019.      Click here to see details of the three known obverse dies of the 3d.