Black and white negative of the De Beers chairman's dinner at Knappogue Castle.

Black and white negative of the De Beers chairman's dinner at Knappogue Castle.

Black and white negative of the De Beers chairman's dinner at Knappogue Castle.

Black and white negative of the De Beers chairman tour of factory.

Black and white negative spares of groups at factories for a French journalist. Negative missing.

Black and white negative of the Molex official opening in Shannon. Negative missing.

Black and white negative of the Molex official opening in Shannon. Negative missing.

Black and white negative of the Molex official opening in Shannon. Negative missing.

Black and white negative spares of security boxes for De Beers.

Black and white negative spares of a De Beers group.