Vintage tribal Dao minority silver earrings in selling the north of Vietnam

Vintage tribal Dao silver earrings.
Age is over 30 years and there is one place with broken and one earring without enamel colors that you can see in the pictures.
The Dao silver earring with enamel represent a centuries old tradition still in practice today.These is from Sin Ho,Tam Duong area,Lai Chau province,Vietnam.The brightly colors pair are very cheap ones made today selling in aluminum.
It is produced with handmade,hand carved in over 93 percent of silver and other bronze,copper..
It is very rare now and very difficult to find now ,so price is going up for every time.
Measurements
Full size 3.1 cm*4.1 cm
Weight 20 grams