World s Greatest Martini

8 fluid ounces gin

½ fluid ounce dry vermouth

½ fluid ounce sweet vermouth

4 cups ice cubes

4 pimento-stuffed green olives

Fill cocktail shaker with fresh ice cubes. Add about 1/2 ounce each dry and sweet vermouth. Shake enough to coat ice and pour off liquid. Add eight ounces gin to coated ice in shaker and shake vigorously. Pour into four chilled Martini glasses, garnish with pimiento-stuffed olive and serve.