2019-S SILVER 10pc Proof Set + box & COA. INCLUDES BONUS reverse pf W-mint cent. Brilliant coins, untoned to maybe very lightly toned. This set INCLUDES the bonus 2019-W reverse proof cent that was issued separately but intended for inclusion with the silver proof set. The box has the price written on the back in two places, shown in the last close-up pictures. Listing and template services provided by inkFrog. Track Page Views With.