QUOTE(STEVE MOULDING @ Mar 21 2008, 10:01 PM)

Bob...can you add some commentary? I've really no idea which of these is expensive (if any) or which are cheap (if any).
Thanks

Well, I bought an 1895 poltina in AU-58 (slabbed by NGC) two years ago in the New York sale, and it went for less than $200. So there is quite a mark-up on that one, assuming that the NGC grade is accurate.
The 1896-* (Paris mint) is low mintage and somewhat scarce; very hard to find in such high grade, so I would say the price realized was adequate. Nevertheless, €850 is a lot of money for something which isn't a proof (and isn't REALLY that scarce) from this period, IMHO.
As to the 1914 poltina, I can only thank my lucky stars that I picked mine up so cheaply ... I still have it in the 2x2 holder where I put it immediately after receiving it. It was an eBay purchase, and I am out all of €30 on that one!

It is the coin in my avatar, BTW. But even then, I thought I was getting a good deal on it. Even for the flat strike, narrow rim (more scarce) 1914 poltina in AU that I own, I only paid about $100 for it about a year ago. These things have gone up almost as much (or more so) than gold coins of the same era.
However, the most common of all these 50 kopek pieces -- 1912 and 1913-BC -- don't seem to attract prices anywhere near these, even in gem BU.