1752 austrian Coin- Need help to find which variation it is

1752 austrian Coin- Need help to find which variation it is 

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In particular, what is the diameter?

A fake of this?:
N#15155 

at least it's the only 1752 CA we have in the catalog

There are actually four 1752 CA, two with those arms.

The other: N#79567 

And the date location matches the coin in this topic, but the pictured coin has an S at the bottom (after the damage) and the 17 Kreuzer has XVII at the bottom.

The gold coin fits with the s right of the corrosion

Oops, I didn't look at the image in the comments with the legend in a different place.

(It would be better to move the picture in the comments to the main picture, and move the current main picture to a the KM#1725.1 mintage line. Or split the page, KM#1725.1 and KM#1725.2 are different types.)

The gold coin fits with everything, but it is clearly not made with gold…