Ken Griffey Jr Signed Seattle Mariners Mini Helmet UDA Upper Deck Authenticated. Ken Griffey Jr Signed Seattle Mariners Mini Helmet With UDA Upper Deck Authenticated Hologram. Does not have UDA card. We specialize in sports autographs and memorabilia. We have one of the largest selections of baseball autographs in the country.The item "Ken Griffey Jr Signed Seattle Mariners Mini Helmet UDA Upper Deck Authenticated" is in sale since Thursday, February 7, 2019. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Baseball-MLB\Balls". The seller is "showpiecessports" and is located in Deal, New Jersey. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, Brazil, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Viet nam, Uruguay, Aruba, Ecuador, Iceland, Sri lanka, Nicaragua, Peru.