THREE LAHU HILL TRIBE SILVER NECK RINGS, THAILAND Solid-cast, two examples with flattened back-turned terminals with incised decoration, another example with square cross-section and punched decoration, 13cm-17cm wide (3) Provenance: English private collection, Mr & Mrs Balfour-Paul, acquired in the 1970s. Literature: for a similar example of neck rings with back-turned ends used as barter items, cf. C.J. Opitz, An Ethnographic Study of Traditional Money, Ocala, 2000, p.284.