Men's Prada Cartella Nero Saffiano Briefcase with detachable messenger bag strap

I bought this as a gift for my husband and he did not want it, I purchased it in the Prada boutique (NYC) and the return window passed and I could not return it. It is brand new, never worn.I purchased a separate detachable strap so it can be worn as a messenger bag (receipt photo included.) Comes with dust bag, authenticity cards, original receipts. I would like to sell it for face value. Only serious inquiries please... They don't even make this one anymore, similar one with same leather is running @ $4600 @ prada Thank you