Some people do not realize that a disc is defined by its shape, not its stamp.
Who is the manufacturer?
The Proton Ion, No Stamp is made by MVP Disc Sports.
What type of disc is this?
This disc is a Putter.
What are the flight numbers for this disc?
The flight numbers are 3 / 4 / 0 / 1. Flight numbers are displayed as Speed / Glide / Turn / Fade. You can compare this disc on our Flight Guide too.