1977 Apr 6 — Seattle Mariners First Franchise Game vs. Angels — PSA Authentic — FULL TICKET

The beginning of Seattle Mariners history: a full ticket from the franchise's first regular-season game on April 6, 1977, against the California Angels at the Kingdome in Seattle. The Angels defeated the expansion Mariners 7–0 on their inaugural Opening Day. Featuring the original Mariners logo and a Kingdome illustration, the ticket is printed OPENING DAY SOUVENIR TICKET.