As a former archaeologist who excavated ancient Roman coins, pot shards, statues, and other artifacts, I can tell you with 100% certainty that it did exist. 

 I believe you. The written political history is dubious though. 

 I was skeptical too before digging up remains myself.

Good to be skeptical 

 My skepticism prioritizes the archeological evidence over the dubious historiography… props to you for not trusting, verifying 

 Agree. Primary evidence is key 

 The key is the primary evidence