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2003 Topps Home Team Advantage #556 John Smoltz - NM
John Smoltz Trading Cards: Values, Tracking & Hot Deals
OLO Sport Cards & Memorabilia Auction
john smoltz donruss Values - MAVIN
John Smoltz 1990 Donruss Diamond Kings #8 Price Guide - Sports Card Investor
Beckett Sports Card Monthly - January 2022, PDF
Pittsburgh Pirates Price List - Supercollector Catalog
I also have a binder full of 1990 Donruss common cards without the dot if you're trying to complete a no dot set.
1990 Donruss card #121 - John Smoltz - HoF - *ERROR* Baseball Card MINT
John Smoltz Trading Cards: Values, Tracking & Hot Deals
1990 Donruss #121 John Smoltz - NM - THE COLLECTOR'S FRIEND
Pittsburgh Pirates Price List - Supercollector Catalog
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John Smoltz Trading Cards: Values, Tracking & Hot Deals