View of the group attending the MGM Topping Off Party. Guests all sit at tables on a rooftop, listening to the speaker out of frame on the left.

Collection of keepsakes for Jim and Bill Mason's Bar Mitzvahs.

Newspaper clipping announcing the Bar Mitzvahs of Daniel Gelbart and William Mason, to be presided over by Rabbi Philip Shnairson.

Letter from Governor of Nevada, Mike O'Callaghan, congratulating Bill Mason on his Bar Mitzvah.

Stuart Mason, Al Benedict, and Bernie Rothkopf take group photos celebrating the first construction project of the MGM Grand Hotel. Stamp on back of photos reads "Custom Print by Photography Unlimited; Date 2/9/73; W.O. 1718-6";

Stuart Mason shakes hands with Al Benedict next to Bernie Rothkopf outdoors of the construction site, wearing construction hats and posing for the camera. A banner behind the men reads "MGM Grand Hotel." Photograph is in black and white; For similar picture in color, see jhp000979-002.

Stuart Mason, Al Benedict, and Bernie Rothkopf wear construction hats and smile for the camera. A banner behind the men reads "MGM Grand Hotel."