That is an amazing cake. For my husband's 60th Birthday earlier this year I managed to find someone to make him a special cake through the regional cake decorating society. The lady worked from home and had photos and examples of her work in glass cases. They were truly beautiful. Her speciality was weddings/christenings lots of very realistic flowers, lace etc.
Here it used to be relatively easy to find someone to do this kind of work, but now it's a dying art. Maybe it will have a revival.