1970's Browning “Nail Drivers” High Velocity 22 LR Ammo Full Box 50 Rds

This is a full box, 50 original rounds, of Browning .22 LR high velocity ammunition manufactured by Winchester for Browning from 1970-74.  The yellow, black and white box shows light edge and corner wear.  The cartridges are in excellent condition.  Identified as Brown-1 LR-1 in Roger Huegel's online .22 Rim Fire Box ID reference.