The original boxes (prior to the introduction of the Happy Meal-sized nugget boxes) were of 6, 9, and 20 nuggets.
Guinea (British coin) | coin | Year 2000 problem | mint (coin) | Coin flipping | Waring's problem | The Final Problem | Mint (coin) | COIN | The Problem with Popplers | Hume and the Problem of Causation | Dollar coin (United States) | Dirichlet problem | commemorative coin | Boolean satisfiability problem | Token coin | token coin | The Dog Problem | Tammes problem | Species problem | Quarter (United States coin) | problem solving | Problem gambling | Packing problem | packing problem | Nickel (United States coin) | Gold coin | dollar coin | Crown (English coin) | Crown (British coin) |