Weights from the Castlereagh Collection for New York (USA). Boxed set of 14 cylindrical brass Troy weights, consisting of two sets respectively ounces and pennyweights. Weights from the Castlereagh Collection for New York (USA). Boxed set of 14 cylindrical brass Troy weights 1800-1820
Weights from the Castlereagh Collection for Bordeaux (France). Boxed set of 6 small flat brass weights of the metric system for gold and silver. Weights from the Castlereagh Collection for Bordeaux 1800-1818
Weights from the Castlereagh Collection for Smyrna (Turkey). Set of 9 tapering square bronze weights with handles for the Turkish Oke (Oka). Weights and original correspondence from the Castlereagh Collection for Smyrna (Turkey) 1800-1818