SURCHARGE VARIETIES

Black 2-4/8c on One Real Pale Blue
1878 Derechos Judicial Revenue
(APS Certificate)
Surcharge on Warren #93

Black 2-4/8c on 5 Reales Carmine
1878 Derechos Judicial Revenue
(APS Certificate)
Surcharge on Warren #95

Black 2-4/8c on 1p - 25c Blue
Perforate and Imperforate 1874 Derechos Judicial Revenue
(APS Certificate)
Surcharge on Warren #91 an #91a

BOTH THE ONLY KNOWN EXAMPLES

These pairs are the same color and design as the Two Reales Blue which also received this surcharge. It is likely these stamps were surcharge in error.