I like this one, but thought it would be interesting to see what other people thought. I know it's nothing spectacular, but quick poll to see if it helps or hurts.
In my experience, most proof collectors prefer cameo examples with high contrast, deep mirrors, and little to no toning. This blue hazy toning is common on proof coins and has a tendency to mute the mirrors of the fields. So while a few collectors might like this effect and consider it neutral with regard to price, most proof collectors will find the toning distracting and detrimental to the value of the coin.
I agree with Lehigh on this one. I consider it unattractive and detrimental to the surfaces and the value. I noticed that a couple of people voted "good toning." If you did, or if you consider this good - can you explain what you like about it and why?
It's a bit hazy but not awful. I don't love it, but I don't hate it, either. In the poll, I went straight-down-the-middle-neutral on this one. I pretty much agree with what @Lehigh96 said, though.
I think the toning adds nothing to the coin. It detracts, rather than adds. For a proof to be toned and attractive, it needs some genuine rainbow.