1973 Kelloggs Pro Super Stars BERT BLYLEVEN #35 Minnesota Twins
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Autographed 1971 Topps Bert Blyleven Minnesota Twins Rookie Card
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Bert Blyleven Trading Cards: Values, Tracking & Hot Deals
Autographed 1971 Topps Bert Blyleven Minnesota Twins Rookie Card
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1975 Hostess #74 Bert Blyleven Minnesota Twins PSA 9 Graded Baseball Card MINT
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1972 Topps #515 Bert Blyleven Minnesota Twins Baseball Card NM
1973 Kellogg's Baseball Checklist, Set Info, Reviews, Buying Guide
1973 Kellogg's Baseball Checklist, Set Info, Reviews, Buying Guide