Score the bottom of each peach with a paring knife, making an X on the bottom of each. Combine the wine, water, sugar, and vanilla bean seeds and pod in a saucepan. Add the peaches and bring to a boil over medium-high heat. Reduce the heat to a gentle simmer and cook for 5 to 10 minutes. Remove the peaches from the syrup and cool slightly.

Return the peach cooking liquid to high heat and bring to a boil. Reduce the mixture by half, about 15 minutes. Remove from the heat and set aside.

Peel the peaches and halve each peach, removing the seed. Pour 1/2 cup of the reserved liquid over the peaches and refrigerate until well chilled.

Combine the raspberries, 1/2 cup of the syrup, confectioners' sugar and lemon juice in a food processor and process until well pureed. Strain the raspberry mixture through a fine mesh sieve. Refrigerate until ready to serve.

To serve, place 1 scoop of vanilla ice cream in each bowl. Top each serving with 1 peach half and drizzle the raspberry coulis over the peach. Garnish with fresh mint sprigs and serve immediately.