Fly Goddess,

The rod was not made by Osborn, but sold under his label. He had ASA C. Osborn Co., Sporting Goods, 8 High Street, Boston 10, Mass.

A lot of rods were sold by sporting goods companies but made by good manufacturers such as Heddon, W&M, etc. See http://tlzietakrodco.freeyellow.com/bamboorods.htm for a W&M that was sold by Osborn and that Tim is selling for $1450. Of course, we don't know who made your particular rod, just who sold it.