The annual Mystery Autographed Baseball sale, organized by the Seattle Mariners Wives, is Friday, June 21, when the Mariners take on the Baltimore Orioles at T-Mobile Park. Game time is 7:10pm.

Fans can buy a sealed paper bag with one baseball autographed by a Mariners player, manager Scott Servais, Edgar Martinez or Ichiro Suzuki for $50 each. Each baseball comes with an MLB Authentic hologram sticker. There is also a special package of one autographed baseball and an “on base” glassybaby votive holder in Mariners colors for $125.

Items will be available on the Main Level at Section 128 and on the Suite Level through the end of the 6th inning. Last year’s sale raised over $19,000.

Proceeds from the sales benefit Mariners Care, the team’s nonprofit foundation that supports primarily youth-oriented charities throughout the Pacific Northwest. Since 1991, Mariners Care, in partnership with the team’s corporate partners, has helped raise over $26 million.

Tickets for the Mariners homestand and all remaining games at T-Mobile Park are available online at Mariners.com/Tickets, and without a service charge at the ballpark ticket office and Seattle Mariners Team Stores, or by phone at 1-888-SEA-HITS.