Using a vegetable peeler, scrape curls of Parmesan cheese over a saucer and set aside.
In a small bowl, mix vinegar, salt, and pepper until salt is dissolved. Stir oil into vinegar mixture.
Cut cantaloupe into thin wedges and cut off rind.
In a large bowl, toss salad greens with all but 2 tablespoons of the dressing. Arrange the greens on a serving platter. Fan the cantaloupe slices in a circle over the salad. Roll up each piece of proscuitto and place on top of salad. Top with Parmesan cheese and drizzle with remaining dressing.