mule
n.— « In the parlance of numismatists, a “mule” is “a coin or note with a mismatched obverse and reverse.” This may mean different types, different denominations, or even different countries. It is an exceptionally rare error, and specimens of this type are exceptionally prized by collectors.» —“Excessively Rare Lincoln Cent/Dime “Mule” to be Offered at Auction!” in Dallas, Texas News-Antique.com Apr. 3, 2006. (source: Double-Tongued Dictionary)
Further reading
Unwrap the name of a candy bar, and you just might find a story inside. For instance, one chewy treat found in many a checkout lane is named after a family’s beloved horse. And: 50 years ago in the United States, some Latino elementary...
One way to make your new business look trendy is to use two nouns separated by an ampersand, like Peach & Creature or Rainstorm & Egg or … just about any other two-word combination. A tongue-in-cheek website will generate names like...