This could go into the sales section but I thought it may be more of a interesting conversation here.
Either way here is a bike that the seller wants 30k for. I'll say it is unique.
https://www.facebook.com/marketplace/item/532895044712107/?mibextid=dXMIcH
Looks pretty close to the real thing. Here's the original Batcycle that was on display at the Petersen in 2015.