I love finding something with a bit of historical significance and building it into the story of my artwork. Can't see just throwing away something from the 1930s when I can give it a second life. That check mark in ink for example is the original 'paid' mark on the invoice so I just turned it into the headphone wires. Even the original staple hole is part of the story. Applied to stretched canvas and in a timber box frame ready to hang or can be reframed under glass.