Quote:
Originally Posted by Solemany2k
Here is a collage of my old one in the one that's for sale. The PSA is the top one 
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The top was written with a fountain pen. Notice the smooth flow of ink.
The bottom one was written with a green ballpoint pen. Such pens were rare and not widely used during Cobb's lifetime. While some early versions of the ballpoint were in use during the 1950's, I'm not aware of any models with green ink.