Spots on a die
21 shillings in a Guinea
Gun Salute
Four strings on a double bass.
years in a 'score'
P in the S S = Planets in the Solar System.
It might be 'Separated by the Ages.'
50 score for a Bulleye (in darts)
640 Acres in a Square Mile
3 Sides to a Triangle
"Two Sides to Every Story".
64 squares on a chess board
14 February, Saint Valentines Day