It took Leonardo Da Vinci 10 years to paint Mona Lisa. He never signed or dated the painting. Leonardo and Mona had identical bone structures according to the painting. X-ray images have shown that there are 3 other versions under the original.
The largest amount of money you can have without having change for a dollar is $1.19 (3 quarters, 4 dimes, and 4 pennies cannot be divided into a dollar).