Vladimir Guerrero Sr. Signed Rawlings Baseball OMLB MLB & Mounted Memories COA. MLB certification # MR946663 / Mounted Memories certification # 0017530. Absolutely beautiful baseball comes with baseball holder. The signature is light. Please view photos. Photos #8 & #9 are from the MLB & Fanatics database for hologram verification. Would make a great addition to any collection and a must have for any Vladimir Guerrero Sr. / MLB fan. Shipping is calculated through Ebay. Thank you and have a great day.