2 REALES YELLOW
Before the First Period
WITHOUT OVERPRINT
First Period
CHALCO
HUEJUTLA
QUERETARO
PUEBLA
S. L. POTOSI
Second Period
MORELIA
I. DEL CARMEN
TOLIMA
MONTERREY
MEXICO 
2 Reales Yellow x 3 and 1 Real Gray Blue
GUANAJUATO
2 Reales Yellow, 1r Blue,  4r Green and 8r Red

THROUGH THE LINES
1864, SEP 11:  TEHUACAN to OAXACA
At this time OAXACA was not occupied by the French.
The 2 reales Eagle deemed not valid for postage,
thus addressee charged “2” (reales).