Mayer, C. N. Die Zuteilung der dicken silbernen Schekel und Halbschekel in die Zeit Simons Makkabäus 139–134 v. Chr. Frankfurt a. M.; J. Kauffmann, 1919. 4to., pp. 16; tables. Original printed wrappers, worn, the edges thumbed with a few small tears. Seldom offered and unlisted in the usual bibliographies. Rare thus.