Eugene, here's another can credit articles Yablonska (history of counterfeiting, I can not insert their kracivo, the last link is a photo fakes);
http://www.cripo.com.ua/?sect_id=4&aid=48555
-here daughter Yablonska interesting counterfeiting and describes how it differs from the original:
http://virtualgallery.org.ru/articles/clony.php
-photo fakes:
http://ura-inform.com/ru/society/200...tini_jablonsk/
Yes history so anything and has not ended, because forgery were exhibited fairly high-ranking officials, as well as at auction "Golden Section":
http://tm-market.kiev.ua/news.php?id=1213&page=44
(But the response director of the Kiev Museum of Russian art on these fakes):
http://www.kontrakty.com.ua/show/rus...320079012.html
uriart you are in luck!