1950 Philadelphia Athletics Connie Mack’s “Golden Jubilee” Roster. Lot 500. 1950 Philadelphia Athletics Connie Mack’s “Golden Jubilee” Roster. To mark Mack’s 50th year as the A’s manager, the team produced this 24-page roster. Great cover art with the A’s elephant mascot. Vg+ to ex. Winning Bid $20. Back to List Winning Bid $20 Back to List