These are unusually fine 19th-century bone bridge pins with heart-of-abalone dots that are larger than usual, quite rare. They also have little holes laterally through them just under the heads, if one wants to thread...

These are a very rare find, American-made tuning machines made for Gibson F-style mandolins back in the day. The Kluson set, judging from the type of gears, is probably from the 1940s; the Waverly (bass side only),...