4 REALES BLACK ON YELLOW

1861, MAY 11:  ZACATECAS to VILLANUEVA
1 Real postage from quarter of 4 reales black on yellow for 1/2 ounce weight,
distance of less than 17 leagues.

JALAPA

YRAPUATO

VERA CRUZ

1862, JAN 16:  SAN LUIS POTOSI to GUADALAJARA
2 Reales postage from diagonal bisect of 4 reales black on yellow for 1/2 ounce weight sent over 17 leagues distance.

1861:  SALTILLO to SAN LUIS POTOSI
Diagonal half of 4 reales black on yellow and pair
of 1/2 real black on buff.

1864:  QUERETARO to SAN LUIS POTOSI
Vertical half of 4 reales black on yellow with
1 real green on black.