Definitely collectable and best prices are generally paid for rifles that still have their original open sights and finish.
I'm a huge fan of the military style SA and AA rifles but managed to bag a woodstock a while ago too. They seem to be rarer than the ABS stocked rifles and IMHO don't fetch quite so high prices, Khamsin and Camargue excepted.
John
Currently looking for Baikal Makarov pistols with the following prefixes to the serial number: 98, T01, T09, T21, T22
Prefer boxed or cased but will consider loose examples too.