Related Clues:

• Follower of A, B or AB, informally
• 2B, SS or CF
• +, on a batt
• Pos. opp
• Neg. opp
• Stamp sellers, briefly
• Abbreviation on a car battery
• Like some nos
• -: Abbr
• Black batt. terminal
• +: Abbr
• Blood-bank abbr
• Letter takers, for short
• +, on a battery
• Blood type abbr