Is the roe deer bone hair clasp valuable in Qing Dynasty?

Worth some money. It is a traditional handmade ornament with certain historical and cultural value. But whether it is valuable or not needs to consider many factors, such as appearance, preservation state, age, production technology, market demand and so on. Hairpins are well-preserved, exquisite in craftsmanship, relatively old, and there is a certain demand in the market, so the value may be higher.