SilentComedyMafia.com

Color home movie footage of Mack Sennett's 70th birthday party, held April 30, 1950, at White Oak Park in Simi Valley. Seen with Sennett, among others, are Sally Eilers, Max Asher, Hank Mann, Vera Steadman, Leo Sulky, James Finlayson, Heinie Conklin, Andy Clyde, Vernon Dent, Ruth Hiatt, Alma Bennett, Juanita Hansen, Ora Carew, Minta Durfee, and, addressing the guests, Frank Fay and Al Christie.

Paul Gierucki's must-have MACK SENNETT COLLECTION VOLUME ONE (Flicker Alley) contains additional rare footage of this event, taken by a professional cameraman in black & white.

https://youtu.be/c8B-K63MiEU

Just found Blanche Payson - the very tall lady in sunglasses appearing for a couple seconds at the 2:10 mark. Her height compared to everyone else gave her away.

Wonderful stuff. Thanks Ed!