Quarterdeck Martini Cocktail

Ingredients:
3 fluid ounces or 9 centilitres of Berry Vodka
1/2 a fluid ounce or 1.5 centilitres of Maraschino Liqueur
1/2 a fluid ounce or 1.5 centilitres of Grapefruit Juice
1/2 a fluid ounce or 1.5 centilitres of Maraschino Liqueur
1/2 a fluid ounce or 1.5 centilitres of Grapefruit Juice
Instructions:
Stir with cracked ice and strain into a chilled cocktail glass. Garnish with a mint sprig.
