THIS IS A WEI YIN CHEN SIGNED OFFICIAL MLB BALL SIGNED IN BLUE PEN.THE COA IS ISSUED BY MARKSGRAPHS STATING WHEN AND WHERE ITEM WAS SIGNED..SHIPPING AND HANDLING COST ARE 7.00.ALL ITEMS ARE SHIPPED PRIORITY MAIL SHIPPING OUTSIDE US WILL BE MORE.GOOD LUCK AND PLEASE VISIT MY SITE FOR MORE GREAT MEMORBILIA.