This first one is a 1.35 pesos rate (normal rate 1.15 pesos).
Looks like a 1p1E4.
A 2.35 pesos registered rate.
Another 2.35 pesos rate with beautiful handwriting. The 1 peso looks like the 1p1E4.
Plate variety on the right stamp.
A 3.35 pesos rate. It's paying a registered rate, with said label placed on the back.
