WWPCM:  "Useful Gifts"
St.Petersburg, Russia, since c.2012
http://podarkispb.ru/

it's only publisher
cards printed in China (all ?)
2012 "Museums of St.Petersburg"
d13949
update
06
.06.2013
2012 "Peterhof"
d13950
update
06
.06.2013
2012 "Saint-Petersburg"
d13895
update
02.05.2013
2012 "Suburs of St.Petersburg"
d13951
update
06
.06.2013