Brock Martin Duffin (Read Bio)

@JammarChase1 Idaho Falls, ID

Follow on CollX

300
Items

Make me an offer! Happy to do trades! 🙂 Also on WHATNOT @brocduff

Rookie Buyer

Joined since Apr 2026

Followers

205
Following

208

What I'm Collecting

Joe Burrow Ja'Marr Chase Cincinnati Bengals Team / Chad Ochocinco / Reggie Kelly Baseball Basketball Football Non-Sport

Total cards sold:

11
Average ship time:

2.7 days
Last active:

5 days ago
Seller rating

(1)
Buyer rating

(7)

Shipping Info

Tracked USPS standard envelope. $0.75-$1.31