6 ouvrages sur les poids monétaires

Avers : European coin-weights for english coins, G. Houben, 1978. Weights and measures, J.T. Grahan, 197. Lions ships and angels, identifying coin-weights found in Britain, P. Romlund Withers, 1995. English weights an illustrated survey, N. Biggs, 1992. 5000 years of weights, G.M.M Houben, 1990. Coin weights, L.A. Lawrence, réimpression (1910).