Antique Vintage Bamboo ? Rattan Wicker Dining Chair

Unsure of age, style, origin. Likely acquired in Asia or Europe during the 40s 50s          

30 x 19 x 16" Seat Height: 17.5"  no arm

33 x 19.5 x 18" Seat Height: 17.5" arm

Any knowledgeable info/valuation much appreciated.

with and without arm rests

some dings and scratches, please see pics