I see no problem with this coin. It is a very close match for Gorny
28.2.01 or 28.2.02.
The 01 is the closest calligraphic match, but has slightly narrower rims and is 30 mm dia. The 02 is better match for size (29 mm) and rim
width but not as exact for calligraphy. With the large volume of this common coinage cast
the fact it fits between 01 and 02 is no concern.