Good idea - I didn't know that any other JSC wagons existed, let alone CO & SM wagons - let's see them! My next topic will probably be the Ringhoffer/Baume et Marpent N2s that I got the plates from. I noted a few of the SEK/OSE number tie-ups so when I can find my notes I'll put the photos up.
Photo of human misery created by war from https://www.pinterest.com/pin/257831147397939689/ It depicts wagon 1463 Gf from the series 1452-1998 and later reduced to 98 wagons Zt 3764-3861 built 1894.