With Agrippina Senior, mother of Caligula - early 20th century imitation of AR Denarius (Lugdunum 37-38, 5.05 gm.) - TI CLAVD CAESAR AVG GERM PM TRIB PPP Laureate head of Caligula right / AGRIPPINAE AVGVSTAE Draped bust of Agrippina Senior to right (Cf. RIC 81 / BMC 175) - VF - toned - ex. Collection Vinkenborg, bought 1942 - forgery from an unspecified Roman workshop - See Cornaggia, 'Un Contemporaneo falsificatore di monete antiche', in Rivista Italiana di Numismatica e scienze affini XXXVII (1924), p. 36-46, numbers 13/14 - dies in possesion of the S.N.I. - coins from these dies have occasionally appeared as genuine ancient pieces, a.o. in the Knobloch Sale (Stack's May 1980, lot 174), there described as a 24 as piece of Caesarea. The Knobloch coin currently resides in the collection of the British Museum. (ex collection Vinkenborg)