2018 Royal Mint Silver Proof Set Box Booklet & Certificate ONLY. This product data sheet is originally written in English. We would like to offer for sale. PLEASE REFER TO IMAGES. Original Royal Mint 2018 Silver Proof Box. ALL ITEMS SENT RECORDED. Thank You For Looking. FROM A SMOKE/PET FREE HOME. Please check out my many other listings! WELCOME TO SIMPLY COINS We would like to offer for sale 2018 Royal Mint Silver Proof Set Box Booklet & Certificate ONLY.