Here is a service quite a few people have used on the forum. www.caroldiva.com. I heard though that she is expanding into brands she is not the most versed in. You should do a search of her standard repertoire and see if your article fits.
Thanks so much! I finally got my LV Sofia Coppola bag verified. It's good. But I'll keep this for future reference. I'm new to resale but I'm getting hooked. I have gotten some great deals and haven't been burnt yet knock on wood.