And they don’t have to be super old. Just super trendy or super kitschy.
Look for binders with company names that have a following like Pan Am, John Deere, Apple….etc. Even if it was a training manual, if it has the company’s logo or name it can bring between $20.00-$100.00 depending on scarcity and condition.
And look for those retro 80’s binders too! People are buying up their past…and this is one of the items they want back! Research “vintage binder” on Ebay and Etsy to see what is out there and what is selling.
Don’t hestitate….they’ll be gone in a “snap”!