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Opening Day of the Oakland Oaks/Portland Beavers game. A close-up view of dignitaries and spectators at the ballpark during opening ceremonies..

Opening Day of the Oakland Oaks/Portland Beavers game. A view of the bus and auto-lined street adjacent to the ballpark

Opening Day Parade . A view of dignitaries and spectators standing during opening day ceremonies of the Oaks / Beaver game

A close-up view of a dignitary throwing a ball onto the field. A member of each team is participating in the ceremony as well as other dignitaries present in the box seats. The background is a...

A view of a parade on the grounds of the stadium with motorcycle police, horse and rider, flags and spectaors in the background.

A group of dignitaries waving from special box seats with spectators in the background

A parade with police on motorcycles in the foreground and a horse and buggy vehicle with dignitaries being escorted around on the playing field with spectators in the background

A color guard on the field during opening ceremony of the Oakland Oaks and Portland game.

Baseball, the Oaks and the Elks. A ceremony with a marching military band on the field of the stadium.

Baseball, the Oaks and the Elks. A military marching band in ceremony in front of spectators.

Baseball, the Oaks and the Elks. A military group marching across the field with flag. Spectators in the background.

Baseball Opening, Oakland Oaks, 1926. A procession of automobiles in front of the Hotel Oakland.

Baseball opening, Oakland Oaks, 1926. The team lined up in front of automobiles. A building called The Mascot has furnished rooms.

Baseball opening, Oakland Oaks, 1926. Oakland baseball park. Billboard: "At Last! Greta Garbo & John Gilbert in Flesh and....".

Baseball opening, Oakland Oaks, 1926. Parade of automobiles with flags.

Baseball opening, Oakland Oaks, 1926. Oakland baseball park. Billboard: "At Last! Greta Garbo & John Gilbert in Flesh and....".

Baseball opening, Oakland Oaks, 1926. A view of a parade of automobiles in front of the Hotel Oakland.

Baseball opening, Oakland Oaks, 1926. Oakland baseball park. Billboard: "At Last! Greta Garbo & John Gilbert in Flesh and....".

Baseball opening, Oakland Oaks, 1926. The team lined up in front of automobiles. A building called The Mascot has furnished rooms.

Basesball opening, Oakland Oaks, 1926. A parade of automobiles, flags, and team members in front of buildings.