Halfcrown 1840 ESC 673, Bull 2715 GVF the obverse with some contact marks once cleaned, now with a colourful artificial tone. Halfcrowns of 1839 and 1840 are the only dates with W.W on the truncation and given the rarity of the 1839 coin, the 1840 is always a popular type coin
Estimate: 75-150 GBP