The surviving quantity of unrepaired copies is less than 50. This figure includes the conserved copies which have been cleaned by a professional to ensure the longevity of these fragile papers. This maintenance may include sealing voids around the staples.
Grading is done by CGC (Certified Guaranty Company) on a scale of 0.5 to 10.0. The eye appeal of the color of the paper and the beauty of the printed colors are graded as a single characteristics by CVA (Comic Verification Authority) which affixes a tamper-proof sticker on the CGC label.
The two best Action Comics # 1 have been rated Very Fine / Near Mint 9.0. One of them was sold for 2.161M with no applicable buyer's fees on November 30, 2011 by Comic Connect. The other one reached $ 3.2M on eBay in August 2014. None of these two copies had a CVA sticker visible on the pre-sale photos.
Collectors take a great consideration on the visual appeal. A Fine - 5.5 downgraded from Very Fine - 7.5 due to defects in margins and staples was sold for $ 960K including premium by Heritage on August 4, 2016. Its paper is Cream to off-white.
On March 6 online, Comic Link sells an Action Comics # 1 as the first lot in this timed auction. The beautiful paper is off-white. It is graded Fine / Very Fine 7.0 Conserved by CGC and Exceptional by CVA.
SOLD for $ 450K before fees (waiting for result list for confirmation)