Mexico 1868 Hidalgo : 02a 6 cents

The varieties on the dotted 6 cents :

basic 6 cents (with dot)

Variety 6 I
The first variety has two specific characteristics.

1st oddity : there is a thinckening above the 6, in the bottom line of the circle.

var 6 I a

2nd oddity : there's a dot below the ornament in the left bottom corner.

var 6 I b

Variety 6 II

A second subtype, also has 2 chararcteristics:

1st oddity : the X in Mexico looks deformed

var 6 II a

2nd oddity : there is an additional 'dot' in front of the 6

var 6 II b

Variety 6 III

info on subtype III is still missing

Variety 6 IV

Subtype IV, can be identified by two characteristics too:

There is a thick line in the M of Mexico. The stroke gowing downwards from left to right, is thicker than the other strokes.

var 6 IV a

Secondly, the outher circle is thickened towards the left frame of the stamp, above the left corner ornament.

var 6 IV b

Variety 6 V

info on subtype V is still missing

Overview variety I to V

Variety I (yellow), variety II (blue) and variety IV (green) on the dotted 6 cent Hidalgo 1868.
more to follow ...