Catalogue of English, Scottish, & Irish hammered silver coins, including the R[obert] P[atrick] V[ernon] Brettell collection of coins of Barnstaple, ... [06/18/1975]
Scanned at American Numismatic Society library. Priced. The initial lot numbers (407-429) and single initial Brettell Plate (XIX) are consecutive with the previous Brettell sale: October 28, 1970, which has 406 lots, and 18 plates. Lot nos. 407-429, 1-321.