It is almost certainly a Katz - if pin is a 5/16 - 12 you can bet money on it. No chance it is a Dufferin.
Made from the 30s(?) untill the 60s - or 70s.
Retailed for $15 in 1960.
There also is some chance it could be a Brunswick - if so, pin would be 5/16 - 14
Dale(who loves it - BTW)