There is one supplier I know of that is legit.
They are listed heavily in several trade publications and they are known to frequent US trade shows. They have been in buisness for 11 years. I have done a little research on them and I cannot find any proof that they are selling replicas or fakes. But I do see alot of info about them online. Which is a good sign.
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Capico Accessories
David Younge
236 W. Portal Ave # 157
San Francisco, CA 94127
Ad from thier site.
Capico was established in San Francisco in 1996 and has grown to be the largest wholesaler of belts, wallets, and leather accessories in the U.S.A.
We carry most well known, advertised brands in belts, wallets, and handbags. We know you will enjoy browsing through more than 650 pictured items within. Simply search by category or by label, click on a thumbnail picture which will enlarge it, giving you all of the details you need for ordering online quickly and easily. Capico is a quick response company that understands that our customer comes first. Your total satisfaction is our top priority. We have no pre-packs or minimums. Most orders are processed and shipped within 48 hours or less.
You can also check out Link hidden: Login to view as they get handbags and wallets in occasionally and they are another source I know of that only deal in authentic products.