There are five die varieties for the 1877 H one twelfth of a shilling consiting of five obverse dies paired with one reverse die.
There are two different sizes of the H mint mark.
For each size of mint mark, there are coins with and without striations.
The mintmark is a large H.
Same as type 1 but with striations.
The mintmark is a small H.
Same as type 2 but with striations.
The mintmark is a small H, but the H in higher and closer to the dot.