This is a vintage recipe card from Family Circle magazine that was published in 1966. Recipe is typed below along with a scanned copy.

GRAPEFRUIT FIZZ
BEVERAGES–Fruit

Flavor is spicy yet tangy. And it’s so refreshing on a hot day

Makes 6 servings

1 cup sugar
2 cups water
3 whole allspice
3 whole cloves
1 can (6 ounces) frozen concentrated grapefruit juice
1 bottle (28 ounces) ginger ale
Green food coloring
Ice cubes
1 lemon, cut in 6 slices
6 maraschino cherries

1. Combine sugar, water, allspice, and cloves in a medium-size saucepan; heat to boiling, then simmer 5 minutes. Strain into large pitcher; cool.
2. Stir in frozen grapefruit juice until thawed, then ginger ale and a few drops food coloring to tint green.
3. Pour over ice cubes in 6 tall glasses; garnish each with a slice of lemon and a maraschino cherry.