Watch List notes:

Mint Error - Mis-Strike Decimal One Pound 2017 the obverse central section extends to the outer rim between 4 and 5 o'clock in an oval shape, overlapping the 'ONE POUND' security feature, the coin is also struck off-centre, the reverse having a raised lip between 6 and 8 o'clock, the central section is smaller in this area, not covering all the details of the crown. When viewed from the edge, there is also a raised lip, the obverse measuring 23mm diameter and the reverse 24mm diameter. A highly unusual multi-error coin, EF

Estimate: 100-120 GBP