aukro.cz (Czech, where Flexarets come from), paladix.cz, and allegro.pl (bigger country, so more items) are way better for Meopta's cameras and accessories. There is a good chance to buy there a VI Automat or VII with plenty of accessories for less then EUR 80. If you're lucky, everything will work fine, if not, you'll have to spend another EUR 50 for re-fitting it (and then you may expect next 40 years without the slightest issue). But there is no point in buying one in bad condition, repair will cost more than a better piece.
Most common accessories are:
- colour filters for B&W
- Flexpar close-up lenses; there are two sets (for 0.3-0.5m and for 0.5-1m) for taking and viewing lenses; viewing ones have a prism to reduce parallax error; sometimes they try to sell only one from the set, which is purposeless unless you have the other one, or need the bayonet for DYI adapter
- lens shades
- leather case
I did a DYI filter adapter for 49mm, good for IR and ND1000 filters. You need: a bayonet (eg. a filter or a close up lens), a step-up adapter and epoxy glue.
You can even load a 135 film (to VI Automat) with an adapter, and take vertical panoramas