This egg I believe is a one of kind hand painted in gold with a floral design. Beautifully done over an exquisite guilloche and showing very little wear with only one little spot and not very noticeable.
I can not find another one. There appears to be a stamp of some kind indicating the craftsman who probably worked for Faberge or it could have something to do with the metal. I can not make it out. This is an exquisite example of Russian Faberge? Please check out the photos for more description and detail.