Alex Marshall had a camera with which he took several photos of the Boers at Pilgrim's Rest. After the war he took his photos to Turnbull & Sons, Photographers, Jamaica Street, Glasgow in Scotland¹¹⁵ to be developed. He published it in a book, Photos of Boer Commandos taken at Pilgrim's Rest. One of the photos in the book is the well-known photo of the mint team posing at the small punching machine. The big machine that was mainly used was too heavy to be carried out into the sun for a photo.

The photo was presumably taken during the first week in June, after peace was declared. Cooney is not on the well known photo of the members of the Field Mint, because he had had to flee before the British military police could arrest him on charges of spying on the British troops, giving a Boer named Kraemer an electric battery for firing dynamite and as he had made a bomb for General Viljoen with which the bridge over the Spekboomriver was blown up.¹¹⁶