The key is that it is executed with, and a part of, the original contract. Sometimes agents confuse addendum with an amendment, which is a modification later to the terms of an already-accepted contract. It has surprised me how often experienced agents use the wrong term for a document.
At this time, wax crayons were big, dull-colored, and clumsy and were used mainly in industry. But Binney & Smith used a combination of paraffin wax and industrial pigments to create crayons that were kid-friendly. In 1903, the first yellow and green box of eight Crayola crayons appeared. (The name Crayola means oily chalk).
List of Crayola crayon colors. An assortment of crayon boxes produced by Binney & Smith between 1903 and 1920. Since the introduction of Crayola drawing crayons by Binney & Smith in 1903, more than two hundred distinctive colors have been produced in a wide variety of assortments.