So happy to find all the peices to a pink Greta set a while ago from three different sellers only to realize after that none of the peices looked like the Greta set i had seen anywhere else. The tray didnt have the vertical lines in the tray and all the peices had kind of a bumpy texture instead of the frosted. In fact, one of the pots and the candlesticks were not frosted at all.
Im pretty sure its a Walther and Sohne set but Ive not seen in any old catalogues - the GTS calls it simply " Mystery #40 "
Weirdly, i also found peices to make a partial set in green too.