1921 Peace Dollar - 20 Degree CCW Rotated Reverse

According to Dave Bowers' Silver Dollar Encyclopedia (Chapter 18): "Some (1921 Peace Dollar) specimens exist with reverse die rotated 20 degree counterclockwise from the normal orientation. -- These are rare."
Except for the above quoted Dave Bowers reference, I've been able to find very little information on 1921 Peace Dollars with 20 degree CCW reverse.
I'd appreciate any additional population and valuation information that my fellow forum members may be able to provide on this topic. -- Thanks in advance for your assistance.
Stuart
Collect 18th & 19th Century US Type Coins, Silver Dollars, $20 Gold Double Eagles and World Crowns & Talers with High Eye Appeal
"Luck is what happens when Preparation meets Opportunity"
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Stuart
Collect 18th & 19th Century US Type Coins, Silver Dollars, $20 Gold Double Eagles and World Crowns & Talers with High Eye Appeal
"Luck is what happens when Preparation meets Opportunity"
bob
I agree.
RMR: 'Wer, wenn ich schriee, hörte mich denn aus der Engel Ordnungen?'
CJ: 'No one!' [Ain't no angels in the coin biz]
tolerance for Rotated Dies is 27 degrees.
Most collectors, of any denomination and
series, want at least a 90 degree rotation ---
but 45 degrees is acceptable, and is the minimum
rotation considered collectable, imo, based on
my experience.
Your 20 degree rotation is well within Mint
tolerance, and would not be considered a
rotated reverse by the four grading/authentication
services.
Hope this info helps
I have a 1921 Peace, PCGS AU 58 and it has a 20 degree die rotation...was always curious about it. I heard it was rare but such a small die rotation didn't command much more value...true?
@Buddy15.... Welcome aboard. The input by @FredWeinberg above is the definitive answer. Fred is an expert authority on error coins and until his recent retirement, was a consultant for TPG's. Cheers, RickO
Thanks...I was curious...I started a collection of Gobrechts...talk about die rotations! But those were intended...and their scarcity was also intended, so a proof 66 1836 Gobrecht is nowhere near an MS 66 1893-S Morgan...and that's the reason why...true scarcity for the business strike '93's says it all...
I collect 21s and have never seen one. The desirable types for this coin is the VAM 3 ray over L and especially VAM 1F - proof die polishing lines. VAM 1H and / or VAM 1G is also desirable in high grades. The secret is to learn how to recognize them - as most are not designated, even if graded. I have seen all of these at one time or another. Of course, the matte and satin proofs are the most rare types and highly desirable and worth more than most people’s homes... there is a PF67 matte proof for ~335k still for sale on GC and eBay. I would love to have a proof 21 - I would look at it daily!
Oh, come on guys, it isn't that hard to find a 21 with more rotation. You just need to go to the right fellow. Have you tried the 1921 Peace Dollar Guy??