That's a 1920 "[Standing Liberty](https://www.wikipedia.org/wiki/Standing_Liberty_quarter)" quarter (25¢)

[![enter image description here][1]][1]

In the 1930s it would buy you a couple of loaves of bread or a dozen eggs.

[![enter image description here][2]][2]


  [1]: https://i.sstatic.net/bKl2q4Urm.png
  [2]: https://i.sstatic.net/OlRKyTn1.png