A Comparative Analysis of Some Gold Coins - Oddy, W. A.; Schweizer, F.; Cowell, Michael R. ca. 20./21. Jh; Coleman, R. F.; Herrington, J. H.; Gordus, Adon A.; Dalladay, D. B.; Johnson, P. V. A.; Hughes, Michael 1961-; Cope, Lawrence H. ca. 20. Jh; Gilmore, G. R. (1972)