Charles I, York mint, halfcrown, m.m. lion 1, obv., anomalous base issue, probably a contemporary forgery; horseman left, EBOR below partially erased, perhaps with the objective of passing the coin as a Tower product, 12.17g (Hawkins type 4; Besly plate 8, 7; Brooker 1080; N. 2312; S. 2866), some scratches (and EBOR on obverse partially erased), good fine

Estimate: GBP 150 - 200