Black and white photo of workmen trowelling off a section of concrete. Two of them are squatting on a board, suspended above the conrete.
Inscriptions & markings
Back: Border ruled in pencil Top border '(22) in pencil Bottom border '28 ems x 20 1/2 ems' in pencil Centre - '57% ' in pencil '27 3/4 x 20 1/4'' in blue pencil