The bag is authentic. The hardware us brushed palladium, not ruthenium. Geesh. It is barenia, the stamp will be plain, no silver or gold.
Item: 30cm Natural Birkin
Item #: NA
Listing: http://www.dueteveryday.com/products/30cm-natural-birkin/105/
Seller: duet.com
Comments: Is this authentic? Is this supposed to have the gilt stamp or the blindstamped Hermes? Wish it were a bit lower in price!