I had 8 'test' mille fleur d'uccles eggs sent to me from Camelot Farms (BYC) and had 15 eggs sent from 1234muki (ebay). Only one of each is not developing, the rest all look good!
There are mille fleur, porcelain, and black and blue mottled. Here's hoping for a great hatch!!
I've never gotten silkies from her. But I"ve gotten 2 sets of the 4 color d'uccle eggs, Can't remember exactly how many hatched , but I know it was more then 50%. and for shipped eggs I consider that a good hatch.