This was the ancient Egyptian god of the river Nile. He was quite popular with the native Egyptians, and the type is quite common . He is usually shown seated or reclining, holding reed and cornucopiae.
Curtis (1990) p.41
Milne 113 Claudius
Milne 1276 Hadrian
Milne 1571 Hadrian
Milne 2054 Antoninus Pius
Curtis (1990) p. 296 coin 274
Milne 2658 Commodus
Curtis (1990) p. 307 coin 378v