You might want to post photos of the lens that you have as well as list any ebay account or similar trading website accounts that you have (if they have good trading experiences to help back up your validity). Users are unlikely to trade with someone who hasn't posted their own documentation of the lens that they have.
![[No title]](/data/xfmg/thumbnail/35/35956-7047189d31e1c1f6029266079390f54a.jpg?1734167778)
![[No title]](/data/xfmg/thumbnail/41/41931-485b5f9a9f3736e9ed9d96ecdf639921.jpg?1734176288)