Preheat oven to 350 degrees and line baking tray with parchment.
Line prosciutto on the tray, overlapping slightly, until you have created a strip approximately the size of your pork tenderloin.
Set pork tenderloin on top of the prosciutto and then gently wrap the pork with the prosciutto; tuck the ends under as needed.
Cook in oven for about 30 minutes, or until internal temperature reads 140 degrees (Pork will be medium; cook longer if you prefer well-done pork).
Meanwhile prepare sauce by combining figs, chicken stock, wine, fig preserves, and brandy in a small saucepan. Bring to a boil and cook, uncovered, for approximately 20 minutes or until mixture is thickened and reduced to about 1 cup of volume.
Melt butter into the mixture.
Season with salt and pepper, to taste.
Serve pork with fig sauce.