Jose Canseco Signed “Scoreboard” Oakland Athletics Rawling Team Issued Authentic Jersey. Offered here is an Oakland A’s jersey signed by Jose Canseco. Signed in NM sharpie on the front and back, it was originally issued by the Scoreboard company, and has a “Rawlings [size] 50″ tag from the 1990 Set 2 on the inside. No COA, but everything checks out.