Modifiche

Due to the heavy investment made [[Wahl Eversharp]] was late on the field of materials and began production of celluloid colored pens in 1927, lagging behind competitors (between the [[Big Four]] only [[Waterman]] was slower to adopt the new material). Initially were introduced only three colors: ''Jade Green'',''Royal Blue'' and ''Coral'' while maintaining the production of hard rubber pens.

Due to the heavy investment made [[Wahl Eversharp]] was late on the field of materials and began production of celluloid colored pens in [[1927]], lagging behind competitors (between the [[Big Four]] only [[Waterman]] was slower to adopt the new material). Initially were introduced only three colors: ''Jade Green'',''Royal Blue'' and ''Coral'' while maintaining the production of hard rubber pens.