This card is a 1973 Topps #1 All-Time Home Run Leaders (Babe Ruth / Hank Aaron / Willie Mays) 

Other important information about this card:

"Alltime" on front, "All-Time" on back;

In 1973 All-Time Home Run Leaders (Babe Ruth / Hank Aaron / Willie Mays) played for the Yankees, A's, Mets.

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