Pre-1980s Penfold Ace vs today's ball. It's tiny (2.54mm diameter smaller). The R&A allowed these smaller "British balls" until 1990, which cut into the wind better and gave more distance. : r/golf
History — PENFOLD GOLF USA
Penfold Ace Vintage Golf Ball | eBay
Penfold Golf: History's Great "What If?" | MyGolfSpy
FS: 23 Different Vintage Golf Balls - Blowout Cards Forums
Penfold Golf on Twitter: "Vintage https://t.co/HfvomPP6QD" / Twitter
Penfold Patented Box for 12 Balls - Etsy
Sold at Auction: A Rare & Collectible Golf Ball Lot - Signed etc
A. E. Penfold Signature Golf Ball circa 1940s | Collectors Weekly
James Bond 007 x Penfold Heart Golf Balls - Set of 3 | 007Store
I have these penfold golf balls that are from 50 years ago along with another 300 other golf balls , are any of these worth anything , any balls in particular that are of high value ? : r/golf