Society of Golf Historians on X: "10K Follower Giveaway a mint box of Dunlop 65 1.62 golf balls!!! To enter just respond verbally below and I will pick the winner tomorrow January
Golf Ball Size (full info) - Golf Sidekick
vtg - SLAZENGER PLUS + Golf Ball - Fireball - British Size 1.62 - UK - new | eBay
7 Things You Didn't Know About Golf Balls — GolfStatus