Left: Gooding #2F5. Lithographed in bright orange on medium white wove paper. 

Right: Gooding #2F6. Lithographed in red orange on thick yellowish wove paper. 

Left: Gooding #2F7. Lithographed in carmine on thick yellowish wove paper. 

Right: Gooding #2F8. Lithographed in rose on medium white wove paper. 

Gooding #2UF1
The 10 cuartos black forgery is maybe and attempt to replicate the unissued Plate I printed stamp with a small "0" in "10" Cuartos.