What is the value of a Seattle Mariners team signed official baseball with key signatures Randy Johnson Ken Griffey Jr and Ken Griffey Sr?

Seattle Mariners Team Signed Baseball

A Seattle Mariners team signed baseball that includes the signatures of Ken Griffey, Ken Griffey Jr., and Randy Johnson could be from 1990 or 1991.

A 1990 Seattle Mariners team signed baseball with the key signatures: Ken Griffey, Ken Griffey Jr. and Randy Johnson is worth about $100.-$120.

A 1991 Seattle Mariners team signed baseball with the key signatures: Ken Griffey, Ken Griffey Jr. and Randy Johnson is worth about $175.-$200.

Value is based on average prices of recently closed auctions. Prices may vary based on condition, and the type of authenticity that accompanies the baseball. Prices may also vary based on the amount of signatures, and key signatures acquired. The more complete the baseball with key signatures the more valuable.

To figure out what year the baseball is from visit the Seattle Mariners team signed baseball price guide link located below (Related Links). The price guide features links to full team rosters to help you figure out what year the baseball is from. Searching for the players that played the least amount of time for the team will help you figure it out quicker. Once you have narrowed it down to one year the price guide also provides a list of key signatures for that year. These signatures are the most important on getting top value.

First answer by ID2862538895. Last edit by Steven Keyman. Contributor trust: 388 [recommend contributor]. Question popularity: 9 [recommend question]