https://www.egun.de/market/item.php?id=7737410

The adornment on this one for sure is not that of Hugo Kolb. Looks like Zella-Mehlis and I would say the >>1892<< on the underside of the left tube is a date. AW was a Z-M mechanic. I do wonder when the calibres were stamped and by whom?

Cheers,

Raimey
rse