It seems quite similar to 'Aveņu Krēms'
http://www.lilijas.info/files/...
It's description says it has a creamy yellow base color and the color of the stigma matches yours:
http://www.lilijas.info/Azijas... (scroll down a bit to view it)
But perhaps a bit too unlikely to be correct Davids beeing located in Latvia, although I think he ships worldwide and one could perhaps speculate a bulb ending up both here and there