Hand carved teak furniture from Vietnam/Thailand

I have a set of hand carved teak furniture - sofa, coffee table, four chairs and two end tables that I purchased from a woman who was having to go into assisted living.  She said that she had purchased this furniture - supposedly from Vietnam through Thailand many many years ago.  I have researched everywhere for similar furniture and the only one that I have been able to find is in North Carolina - and it is selling in the hundreds of thousands of dollars.  Unfortunately, I don't know how to locate an appraiser with this type of experience.  Any information you could provide will be helpful.