ken griffey jr rare cards Mariners Upper Deck MLB Sports Illustrated for Kids SI NM+ Ken Griffey Jr - 1990
Description
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(CC'ed anyone lately?) Now that I've defined milling, let's dive into the next important topic: where did it come from
This looming threat of a reprint can limit long-term growth for these cards, unlike scarcity-guaranteed Reserved List items
Graded Population Report: Vulpix #SH6 Visualize the distrbution of grades in the chart
