TRAJAN, 98-117 AD. Æ As (9.57 gm).

Laureate head right. 
Single-span bridge with tower at each end and boat 
beneath.

RIC 569.

Although commonly thought to be the "Danube Bridge", 
considered the principal engineering feat of the Dacian 
Wars; a more likely suggestion is that the bridge is the 
ancient Pons Sublicius. 

With permission of Pegasi Numismatics, auction 2014, lot 473.