Nero silver or billon Tetradrachm, struck in Alexandria, 
Egypt. Dated year 10 = 63-64 AD. 

Obv: NERW KLAY KAIS SEB GER, radiate head right.
Rev: AVTO-KRA, draped bust of Serapis right, wearing 
kalathos. Date LI to right. 

Refs: Milne 222, Koln 160, RPC 5274, BMCGr 156: Sear 2001.

With permission of cngcoins.com, online sale ID 56895