Watch List notes:

Halfcrown 1699 UNDECIMO, with inverted A for V in DECVS, inverted A for in TVTAMEN ESC 557 variant, the A in GRA also filled (rather than unbarred) type does not match exactly any of the Bull variations, presumably rarer than the R3 allocated to ESC 557, VG/Fine with even grey tone, Ex-Brock 20/2/2009 Lot 470

Estimate: 200-250 GBP