plastic and cardboard pyramid piece of scale set mockup
Hackborn, Robert Arthur, Mr., September 22, 1928
plastic and cardboard (3 piece) pyramid that appears to be part of a set mockup or model. 35 x 35 x 30 cm (w x l x h)
https://archives.library.torontomu.ca/plastic-and-cardboard-pyramid-piece-of-scale-set-mockup
2012.005.05.30