Need help pricing Sub to sell


I checked blue book and could not find...

I am selling me Paradigm 15” Signature Studio Sub

Original MSRP $3500 according to Paradigm website.

can anyone help me price this?

Thanks
roadsterdriver1
Here are some listings for what could be your sub over at audiomart.com:
https://www.usaudiomart.com/brands/106-paradigm/
Hard to tell as there are so many models.

All the best,
Nonoise