It's hard to imagine there's anyone more suited than professional athletes to give advice on the design of sports equipment. Leading brands knew this way back when and a resultant boon for collectors developed with the printing of "Advisory Staff" photos. Some of the fairly tough survivors from circa the 1960s era step forward, with this Advisory Staff multi-sport photo lot of (6). Issued by famous makers, these rare relics report in generally appealing condition, with:

(2) MacGregor 3-1/2 x 5" Al Downing photos (NM-MT, EX-MT)

Rawlings 8 x 9-1/2" Brooks Robinson photo: Present EX details with deference to moderate surface loss on the back that does not affect the display appeal of the photo

(3) 8-1/2 x 12" Spalding photos with: Roger Maris (VG); "Pancho" Gonzalez (VG); Jon Arnett (VG)