Obv: No legend – Mars helmeted cuirassed bust right
Rev: Cuirass; S C across fields (RIC 19, S 641, C 27)
Type No. 21 correct description should be:
Obv: DEO SANCTO SARAPIDI - Serapis head right.
Rev: DEO SANCTO NILO - Nilus laying left, holding reed and cornucopia.