Turn back the clock, Topps
Topps – Page 4 – SABR's Baseball Cards Research Committee
Auction Prices Realized Baseball Cards 1964 Topps Boog Powell
Calaméo - Fall 2020 Auction
Boog Powell Signed 1969 Topps Baseball Card - Baltimore Orioles – PastPros
1964 Topps Baseball Cards - PSA Price Guide
Boog Powell 1964 Topps #89 Values - MAVIN
Auction Prices Realized Baseball Cards 1968 Topps Boog Powell
1976 Topps Boog Powell
1969–1980 – Page 2 – SABR's Baseball Cards Research Committee