I love Acme premium shafts. I'm down to my last 1 1/2 dozen of them that I got from John Grumley (Nel's son) years ago. He lives close by and he didn't have any use for the 65-70 and 70-75 shafts in his 1000 shaft lot that he got from Acme years and years ago. They are the nicest shafts I've worked with and all 11/32. Great grain and if they were warped, it was a long, gentle bend and very easily straightened. It's a shame they're still not made. I paid him $15 a dozen for them years ago and they were grain weighed to within 10 grains and in 5 pound groups, with most being within 2-3 pounds.
Congratulations on your find.