Claudius, AE of Sinope, Paphlagonia. Dated year 86 = 40-41 AD. 11.34 g.

Obv: T CLAVDIVS CAES AVG C I F ANNO LXXXVI, laureate head right.
Rev: MESSALINA AVGVSTA, draped bust of Messalina right.

RPC 2130 (this coin). Perhaps unique. 

Ex Trau Coll., Auction Adolph Hess Nachf., Frankfurt & Gilhofer & 
Ranschburg, Vienna, 22 May 1935, lot 385. 
The Trau Collection cataloguer found the coin to be probably unpublished. RPC cites this coin.

UBS AG Auction 78 (09.09.2008), lot 1466, sold for 12,500 Swiss Francs. 
With permission of Dane's bank, the UBS, July 2009.