Uncle Joe's Mint Balls usually a sealed can, describes its contents as "pure and good", and "They keep you all aglow" and carries a picture of the mascot, a smiling man in a top hat. British singer/songwriter and humorist Mike Harding has a song called "Uncle Joe's Mint Balls" on his 1975 album "Mrs. 'Ardin's Kid". It also appeared as the B side to his 1975 single "My Brother Sylveste". Wigan Warriors have a version of the song celebrating some of its legendary rugby players of the 1950s and 60s such as Billy Boston, Brian McTigue and Eric Ashton that plays before some of
Mint mark the Philadelphia mint. This practice allowed the additional minting of coins at the San Francisco mint ("S") and West Point mint ("W") without the use of their respective mint marks to address circulating coinage needs without the concern of creating scarce varieties that would be plucked from circulation by collectors. In the single year of 2017 the Philadelphia "P" was added to the Lincoln cent to celebrate 225 years of Philadelphia Mint service. Generally 21st century coins with an "S" or "W" coins do not circulate, being mostly produced as bullion, commemorative, proof coinage or other "collector coinage" sold by