If you’re not sure what antique ephemera is, I have explained it more thoroughly here. To put it simply, it’s old items, usually paper or cardboard, which were meant to be discarded after use. Below is a good, clear explanation, which I have posted previously.
Weird Old Stuff
Rossfett, Kurt Schwitters, 1919
A Few Examples
mixed media collage on vintage leather book cover, 13.5 x 9 x .25 inches
ingredients: antique and vintage ephemera, antique book pages, monotype, pressed flower, stitching, lace