Watch List notes:

The Roman Empire

Tacitus, 275 – 276. Aureus, Lugdunum October-December 275, AV 5.03 g. IMP C M CLA TA – CITVS P F AVG Laureate, draped and cuirassed bust r. Rev. ROMAE AET – ERNAE Roma seated l. on throne, holding globe and spear; at side of seat, shield. C 119 var. (different obverse legend). RIC 10 var. (different obverse legend). Bastien, Lyon, Supplement 10a. CBN pl. 89, 321 (this coin). Estiot, L'Or romain, 3a (this coin). Calicó 4112a.
An extremely rare variety. A very interesting portrait, flan-crack at six
o'clock on obverse, otherwise good extremely fine

Provenance
Sold by Hess-Leu, Luzern, auction 4 April 1963, lot 232.
Sold by G. Hirsch Nachf., Munich, auction 193, 19 November 1997, lot 193.
Sold by G. Hirsch Nachf., Munich, auction 199, 6 May 1998, lot 643.
Sold by G. Hirsch Nachf., Munich, auction 279-280 (Die Generationensammlung), 8 February 2012, lot 2724.