Kingfishers are tiny birds and it takes a lot of skill to use their feathers in this manner. The technique, called tian-tsui, means dotting with kingfishers and involves adhering the feathers onto metal. This technique disappeared during the Chinese Revolution in the 1940s.It's a fabulous piece of history. Head size: 2 1/4" wide x 2 1/4" long, 6 long with pin. The item "Extra Large Qing Dynasty Kingfisher feather Hair Pin Tian-tsui ChineseVintage" is in sale since Sunday, April 5, 2020. This item is in the category "Antiques\Asian Antiques\China\Other Chinese Antiques". The seller is "pablosalon" and is located in California. This item can be shipped worldwide.