Examples of the type

British Museum
2.72 g • ↑↑ 6h
British Museum, 1947,0606.684
2.89 g • ↑↑ 6h
British Museum, 1926,0907.28
2.07 g • ↑↑ 6h
British Museum, 1926,0116.40
1.97 g • ↑↑ 6h
British Museum, 1926,0116.39
2.87 g • ↑↑ 6h
British Museum, 1926,0116.38
1.88 g • ↑↑ 6h