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Roberto Clemente 1972 Topps Base #309 Price Guide - Sports Card
CATALOG 2010-2011 - Ripon College
2017 – Page 14 – SABR's Baseball Cards Research Committee
1972 Kelloggs Xograph 3-D - #49 Roberto Clemente - Pittsburgh
1994 Kellogg's Roberto Clemente Baseball Forum
Florida star
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2017 – Page 14 – SABR's Baseball Cards Research Committee
Roberto Clemente Kelloggs FOR SALE! - PicClick