I have good provenances for these types, one including an 1892 photo provenance Monnaies et Médailles Basel Auctiones 17 (7 Jun.1988) lot 506 (CHF 1500) ex Stack's Hall Park McCullough (1872-1966) coll. (20 Nov.1967) lot 1050 ex Glendining V.J.E. Ryan (1882-1947) coll. (2 Apr.1952) lot 1929 ex J.Schulman (5 Mar.1923) lot 539 M.L. Vierordt coll. ex Jacob Hirsch XVIII (27 May 1907) lot 1835 (35 marks) Imhoof-Blumer coll. = Banti-Simonetti Octavia et M. Antonivs 20 (this coin) = Imhoof-Blumer, Portraetkoepfe auf Roemischen Muenze, 1892, pl.1,6 (this coin) Hess Leu 41 (24 Apr.1969) lot 64 (CHF 1050). Bit more modest.