It had long been rumored about the use of Sheaffer RED ink by a certain business trade. Never proven until I was told that this had actually been corroborated as fact.
Sheaffer had been known to ship 55 gallon drums of RED ink to various funeral directors across the country. The ink was used in the process of embalming to "pink up" the clients...to give them a healthy and seemingly rosy complexion.....OK, let the puns begin
Another factoid I learned. It had long been noticed on the bottom of vintage Sheaffer Lifetime fountain pens was a single capital letter designation either a C a D or an F. This letter was indicated on Jade Lifetime pens made from c1924 to 1926. No one knew what that meant. Here is image of the letter C on a red Lifetime, image from my Sheaffer files.
I was told that several of the most well known and knowledgeable Sheaffer collectors concluded that the initial stood for the manufacturer of the celluloid used for that pen. This letter was so placed in order that in the event the pen came back for repair or had defective celluloid they would then know the material was furnished by either Celluloid Company, Du Pont or Fiberloid. Theses were the main suppliers to Sheaffer for their earliest Lifetime celluloid pens.