Black and white negative of a De Beers chairman's dinner at the Old Ground Hotel in Ennis.

Black and white negative of a De Beers chairman's dinner at the Old Ground Hotel in Ennis.

Black and white negative of a De Beers chairman's dinner at the Old Ground Hotel in Ennis.

Black and white negative of the board on a visit to De Beers.

Black and white negative of men with a cup at the opening of new De Beers squash court.

Black and white negative of a group with a cup at the opening of new De Beers squash court.

Black and white negative of a group with a cup at the opening of new De Beers squash court.

Black and white negative of the presentation of a cup at the opening of new De Beers squash court.

Black and white negative of an EI Co. stall at Expo 75.

Black and white negative of an industry stall at Expo 75. Negative missing.