I would consider this coin a nice AU with good cabinet toning.

Mexico (Republic) 
PeriodFederal Republic (1823-1905)
1841
Silver (.903)
Weight27.1 g
Diameter38.9 mm
ShapeRound
OrientationCoin alignment ↑↓
DemonetizedYes
ReferencesKM# 377
Obverse
Eagle with snake on cactus

Lettering: REPUBLICA MEXICANA

Reverse
Radiant cap with rays

.8 = Guanajuato
Denomination . Mint . Year . Assayer's initials . Purity of Silver (12 Dineros = .999 Silver, 24 Granos = 1 Dineros, so 10Ds20Gs = 0.902777 Silver).

Lettering: 
LIBERTAD
8R.Go.1868.Y.F.10Ds.20Gs.