I don't know about authenticating the fiber itself, but I'd just look for corresponding quality indicators in the jacket. Vicuna is so expensive I'd be really really skeptical if it wasn't A) a well-known high-end brand a la Oxxford, Kiton, etc. and/or B) obviously really well made, handsewn, etc.
Styleforum › Forums › Men's Style › Classic Menswear › The official thrift/discount store bragging thread
The official thrift/discount store bragging thread - Page 3446
post #51676 of 70967
10/29/12 at 8:20am
post #51677 of 70967
10/29/12 at 8:34am
post #51678 of 70967
10/29/12 at 8:48am
post #51679 of 70967
10/29/12 at 8:50am
post #51680 of 70967
10/29/12 at 9:07am
post #51681 of 70967
10/29/12 at 9:33am
post #51682 of 70967
10/29/12 at 9:42am
post #51683 of 70967
10/29/12 at 10:01am
post #51684 of 70967
10/29/12 at 10:04am
post #51685 of 70967
10/29/12 at 10:09am
post #51686 of 70967
10/29/12 at 10:15am
post #51687 of 70967
10/29/12 at 10:32am
post #51688 of 70967
10/29/12 at 10:48am
post #51689 of 70967
10/29/12 at 11:00am
post #51690 of 70967
10/29/12 at 11:05am
Styleforum › Forums › Men's Style › Classic Menswear › The official thrift/discount store bragging thread












i'm now officially a fan.


![baldy[1].gif](http://files.styleforum.net/images/smilies/baldy%5B1%5D.gif)


























![shog[1].gif](http://files.styleforum.net/images/smilies/shog%5B1%5D.gif)