G.H.Mumm Grand Cordon Champagne
1 oz Plymouth Gin
1 oz sweet vermouth
1 oz Campari

Combine gin, vermouth, and Campari in a stirring glass and stir with ice until chilled. Strain into a fresh glass and then top with G.H.Mumm Grand Cordon Champagne. Express an orange peel over the top, then add as garnish.