Hello lancaster,

Not too much to say ... Its a fun gun, and I think its kind of rare in 10.75x68 caliber.

Here are the specs: M-1900 - C.G.HAENEL - SUHL - GERMANY - 24-5/8" Bbl - 7# 5oz

There was a discussion here about 2 years ago. (see link)
http://forums.nitroexpress.com/showflat.php?Cat=0&Board=bigbores&Number=255243