One more Matska' famous gun #257 made in 1900 for S.Buturlin and for your list.
24G two barrel set, smooth and paradox, weight 3.4 kg, bbls length 26". System by Ivashentsev and Buturlin with Daw lever and Scott's locks.
Now this set is in Gerd's Museum in Izhevsk.


Geno.