Got some grades in on toned mint set coins and I need some market price insight please...

I recently submitted rainbow toned original mint set coins for NGC grading (mainly for toning purposes) but the grades came back pretty high. I checked the grades and prices at the Heritage website and they show some nice figures. I know that many of you specialize in mint set piece prices so I was hoping you could tell me how close to Heritage's pricing these coins can truly realize. (Of course, Heritage assumes all mainly white coins with nice eye appeal and that is the baseline I am wondering about, regardless of the amazing rainbow premiums)...that being said, here are the grades and denominations:
008 1955 50C MS 65 FBL
009 1957 50C MS 66
014 1957 25C MS 67
015 1957 25C MS OBV IMPROPERLY CLEANED (funny...this from the same previously unopened set as the others)
016 1957 D 25C MS 67
017 1955 50C MS 65
BTW, I paid 10% less than Gray bid at a show...for 4 unopened sets!
Thanks in advance for your input.
Doug
008 1955 50C MS 65 FBL
009 1957 50C MS 66
014 1957 25C MS 67
015 1957 25C MS OBV IMPROPERLY CLEANED (funny...this from the same previously unopened set as the others)
016 1957 D 25C MS 67
017 1955 50C MS 65
BTW, I paid 10% less than Gray bid at a show...for 4 unopened sets!

Thanks in advance for your input.
Doug
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Comments
Doug
The 1957 halves are one of the more common dates with pretty mint set toning. They sell way too cheap on ebay in the NGC holders for some reason.