Related Clues:

• Crossword entry
• Old message system
• Athletic reward
• Fax ancestor
• Communications system of the past
• Send a wire
• Obsolete communication
• Fax precursor
• See 7 Down
• Fax's kin
• Fax predecessor
• Pre-fax message
• Bit of mail
• Bit of romantic memorabilia
• Piece of mail