Stretching the OP's post a bit, and I'm not sure if this was the case in the 1970's, but during the 1980's Topps had a very predictable order to the cards that were in the rack packs.
For example, if you had a 1984 rack pack, then you could deduce that Donnie Baseball was the third card after Mario Soto, Roy Smalley and Tim Raines (for example, not the real order). So if you saw any of those guys on the top, you would know there would be a Mattingly in that stack. And you could do the same for the cards showing on the back. Going through some stuff recently, I found notes on 3x5 cards with the order of cards before and after certain high demand cards for several 1980's Topps issues.
Bottom line, even though the packs may not be opened, they may have already been cherry picked for the high dollar cards, thanks to Topps predictability in distribution.
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Working Sets:
Baseball-
T206 SLers - Virginia League (-2)
1952 Topps - low numbers (-1)
1954 Bowman (-5)
1964 Topps Giants auto'd (-2)
Last edited by Bigdaddy; 01-19-2021 at 10:04 PM.
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