Philately has many collectibles. Stamps are obvious; covers are stamps on envelopes and are derivative from the stamps themselves. And Proofs and Essays are precursors, coming before (and sometimes instead of) the stamps that they are associated with. As all of these types of philatelic material are related to the official issuance and use of stamps, they have always been esteemed by collectors. But what about Printer’s Waste?
Printer