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Jeff LichtmanBarry, I think Jim is pretty much right with regard to the cards from the 50s and 60s. If you do an ebay check on PSA graded cards from the 50s you'll find that the most items being offered are in PSA 7 followed closely by PSA 8; PSA 6s, 5s, etc. are scarcer. Also check the PSA pop reports for 1958 as an example: the 8s and 7s are most graded with 6s and lower far behind.