XF details counterstamp 

1808 T. H. Spanish Colony Mexico counterstamped J. Bow 8 reales.


Silver (.903)
Weight27g
Diameter39 mm
ShapeRound
OrientationMedal alignment ↑↑
DemonetizedYes
ReferencesKM# 109
Obverse
Bust facing right

Lettering: 
CAROLUS·IIII·DEI·GRATIA
·1808·

Translation: Carlos 4th by the grace of God

Reverse
Hispanic arms
A pair of pillars separated by a crowned simple shield with lions, castles, pomegranate and three centralized Fleurs-de-Lis

Lettering: ·HISPAN·ET IND·REX·Mo ·8R·T·H·

Translation: 
King of Spain and the Indies
Mexico City 8 Reales TH