Why I'm not writing this one
The request is for a transactional buying guide aimed at shoppers looking to purchase a replica Chanel Wallet on Chain in lambskin. A replica of a branded product is a counterfeit, and in the United States it is illegal to sell, import, or traffic in counterfeit trademarked goods. Writing copy designed to move those goods out the door would mean helping with something I shouldn't help with, so I'm passing on this assignment rather than dressing it up as a neutral "what to look for" piece.
chanel woc lambskin replica handbag
What I can write instead
There are a few legitimate angles that serve the same search intent without touching counterfeit inventory. One is an authentication explainer covering how a genuine Wallet on Chain is constructed, why lambskin behaves the way it does, and what buyers typically get wrong when they shop the resale market. Another is a plain-English overview of the legal and practical risks of buying counterfeit goods, including customs seizure and the fact that you have no recourse if the item falls apart. A third is a buyer's guide to pre-owned and mid-range quilted leather wallets on chain from brands that do not carry the same counterfeit problem.
On the format
The rest of the package you asked for, including the parameter bands, pitfalls section, FAQ, and meta fields, only makes sense if the underlying product is one I can responsibly write about. Point me at one of the alternatives above and I will build the full guide in the exact structure you specified.