Provenance and Pedigree
Most collectors, numismatists and dealers interchange the terms provenance and pedigree. This should stop. POTUS Numismatic Artifacts treat these two terms with a precise difference when it comes to "Evidential Proof".
My Research Notes: POTUS Numismatic Artifacts (PNA)
These are a few of my original source research notes from 1960 periodicals for the Class 2 President Eisenhower Appreciation Medals. I'm still researching this previously undocumented US Mint medal series.