I have opened 1960 packs
When I was working part-time for John Broggi back in the day, he got part of the Alan Rosen Paris Tennessee find of 1954 and 1955 Bowman packs and 1960 Topps packs.
I opened one 1960 Topps pack, pulled a Mantle and quit.
At the time, that pack was 28 years old
Rich
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