Amazon Prime Pilot, G2 Premium Gel Roller Pens, Fine Point 0.7 mm, Black, Pack of 4 U $11.49 = $5.53 ExpUnk

[Marvomatic]

https://www.amazon.com/Pilot-Retractable-Premium-Roller-Point/dp/B0030F32L6?tag=phtwllt-20 1
One of the uses, is for check fraud! Its almost impossible to wash the check, and rewrite it!