Reference
Note:
post Mayfield, 1309. See Stewartby, English Coins 1180-1551, pp.131-7 for further chronological detail within Class 10. Stewartby classes X, Primary Phase, sub classes 1-6 and Secondary Phase, sub classes 1-6 correspond directly with North class 10 sub classes, pp.42-53, described by Wood.
Crowns illustrated North Table 1, p.44 and Stewartby illus p136
