For posterity, I added SGC's answer to the original post asking the question.
"In lieu of a top loader that will fit the cards, you can use cardboard and sandwich the cards between them. Rubber band them together and send it in."
Also, for clarification:
"You may individually sandwich each oversized card in with their own cardboard piece. I wouldn't suggest putting the cards together."
Last edited by JollyElm; 06-20-2022 at 03:48 PM.
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