On a large cutting board or platter arrange the prosciutto, genoa salame, and capocollo. Try compressing the prosciutto into wavey shapes and folding the genoa and capocollo for visual interest and to make room on your board for the accouterments.
Trim the snap peas and pile or scatter on to the board. With a mandoline or sharp chef's knife slice the radishes thinly and arrange in-between the charcuterie. Slice the carrots in half or in quarters and arrange on the board as well.
Transfer the mustard and jam to small serving bowls and add to the board and serve immediately or within 2 hours with freshly sliced baguette.