much better photo of the guide,yeah its old school steel no telling how old it is likely lots older than i thought.the tang only referres to a recess at the bottom of any cork grip that accomodates a butt cap,usually size 20.I have several hundred of them in stock. Cork is still popular although eva is what most rods have for grips.
Catch you later,im gonna go bft fishing toorrow. blackfin tuna.