25 Anniversary Proof Silver Eagle "frosting"

Hello Y'all,
I've been following this forum for quite some time and I decided to take the ole plunge and become an active participant, as opposed to a curious bystander. I am fortunate to have a pair of NGC 70 sets and I also have some 2011 NGC proof 70 ASE's that arent from the sets... what I have noticed is the "frosting" on the non-set proofs is more white whereas there is more of a gray frosting on the ones from the 25th ann. set. Has anyone else noticed this? Any feedback would be greatly appreciated. Thanks!!
~AP in Colorado
I've been following this forum for quite some time and I decided to take the ole plunge and become an active participant, as opposed to a curious bystander. I am fortunate to have a pair of NGC 70 sets and I also have some 2011 NGC proof 70 ASE's that arent from the sets... what I have noticed is the "frosting" on the non-set proofs is more white whereas there is more of a gray frosting on the ones from the 25th ann. set. Has anyone else noticed this? Any feedback would be greatly appreciated. Thanks!!
~AP in Colorado
There is no knowledge that is not power.
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Comments
The anniversary sets frosting appears more luminescent to me while the standard PROOFs appear more flat with the snakeskin being the most prominent feature.
JMHO.
Astute observation!
bob