The Brabant Counterstamped pieces in the British Museum. I found four counterstamped Spanish cobs in the British Museum coin trays, as listed. below. â¢ Cabinet 269, tray 18, coin accession # 1935-4-1-11239. The host coin is a. âStar of Limaâ style 8 reales from Lima (Peru), weight is 25.094 grams.