Abe Alvarez Portland Sea Dogs - Red Sox Affiliate 2004 Just Minors Autographed Card - Minor League Card. This item comes with a certificate of authenticity from Autograph-Sports. Autographed. Comes fully certified with a Athletic Promotional Events certificate of authenticity. . If a product is unsigned or non game-used, a hologram will not be included. Abe Alvarez memorabilia. Boston Red Sox memorabilia.