Buy Vintage tribal Coin Dao women tunic dress in Cao Bang area,north of Vietnam

Vintage tribal Coin Dao women tunic,
Age is over 30 years,and still very good condition.
These has a tunic with richer decoration than their Dao Tien group in Mai Chau area.
On the front,the long,thin collar is made of applique stripes bodering pink cotton or silk weave stitches without symbols.The two front flaps and sleeve cuffs are bordered by stripes of pinks applique.
The tunic back has same borders buy as the front with a few more designs on the shoulders,at the waist is more embroidered also,a motif repeated at the bottom.
Measurements
Length 123 cm
Sleeve to sleeve 136 cm
Arm length 39 cm
Underarm width 38 cm
Armpit to armpit 56 cm
Chest 86 Cm-110 cm
Weight 580 grams