"There are at least four mistakes in the above picture. They may pertain to grammar, history, etiquette, drawing or whatnot. See if you can find them."
1) The man is holding the telephone receiver backwards
2) APRIL, on the calendar, is spelled incorrectly.
3) There should be but 30 days in April.
4) the handles on the desk drawers do not match.
, Apr 1, 1930]