Please help me with this coin, it seem to be Italy KM58, but his diameter and weight are different.
KM58 "Original"coin:
Diameter: 21.3 mm.
Weight: 3.9 gr.
KM58 "My" coin:
Diameter: 22.4 mm.
Weight: 4.04 gr.
Please see images and tell me your opinion.
Reverse:

Obverse:

Diameter:

Weight:

Variants:

Variants:

Thanks.
Manu,