This thread crosses the 20- and 50-peso banknotes (F-type) vertically and when holding it against the light, the banknote's denomination can be seen on it. The thread is manufactured directly onto the polymer substrate.

	20 pesos, F 50 pesos, F
Microprinting thread in 20-peso banknote

Examination against the light

This feature is detected when holding the banknote against the light.