Nerva, fantasy sestertius. 17th century fake.

IMP NERVA CAES AVG P M TR P COS III P P, laureate head right.
TVTELA ITALIAE, emperor seated left on curule chair, extending right hand to Italy, two children between them
SC below.

A 17th century fake. Listed as genuine under RIC 92 (copying Cohen); Cohen 142; Eckhel VI, p. 408 (both copying Tristan's 1644 work).
The image was copied from Rev. Num. 1906, in which A. 
Merlin states the reasons why the object is a fake.