The watermark design is clear and the wheel outlines are precise. The wheels are perfectly circular, their hubs are centred and the spokes are well defined. The distance between the wheels is 10 mm vertically and 7 mm horizontally
The first stamps with this watermark were issued in 1952.
Watermark positions
winged wheel type 3 normal right(code: wmITA5a)
winged wheel type 3 normal left(code: wmITA5b)
winged wheel type 3 inverted right(code: wmITA5c)
winged wheel type 3 inverted left(code: wmITA5d)
winged wheel type 3 right bottom(code: wmITA5e)
winged wheel type 3 right top(code: wmITA5f)
winged wheel type 3 left bottom(code: wmITA5g)
winged wheel type 3 left top(code: wmITA5h)
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