Puzzle of the Day

Friday, May Day

As seen above, quarters have ridges around the rim. So do dimes, half dollars, and Susan B. Anthony dollar coins (but not pennies or nickels). What was the original reason for this design feature?

BONUS: In 2000, Susan B. Anthony dollars were replaced by Sacagawea dollars, which don't have ridges. What was the reason for not giving them ridges?

   


Check back tomorrow for the answer, a shoutout to all the solvers, and a new puzzle!

Previous puzzle:

If a dachshund says SO LONG on their way out, then...
  1. What does a competitor say when resigning from a tournament?
  2. How do pieces of breakfast cereal see off their comrades?
  3. What is this rare pupper's valediction*?
  4. How does war take its leave?

* Valediction, n.: the act of saying farewell

Answer:

  1. Bye!
  2. Cheerio!
  3. Ciao ciao!
  4. Peace!

I got a handful of answers yesterday. Cheers to Maddy, Anna J., and Mr. and Mrs. Gregg (who figured out all four)!