Question for unopened pack collectors: Removal from GAI slab
I recently picked up a pack from the '70s sealed in a GAI slab and would like to cross it over to PSA -- but not sure I want to risk the damage.
Does anyone have any experience in opening these and any advice?
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• Collecting Indianapolis-related pre-war and rare regionals, along with other vintage thru '80s
• Successful deals with Kingcobb, Harford20, darwinbulldog, iwantitiwinit, helfrich91, kaddyshack, Marckus99, D. Bergin, Commodus the Great, Moonlight Graham, orioles70, adoo1, Nilo, JollyElm
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