Bulbophyllum cheiri flava 
4" pot blooming size plant available for sale at $90. 
Only one plant available. 
The plant is a established cutting from the parent plant, currently with 3 growths. 

This rare flava variety of Bulbophyllum cheiri has yellow coloured flowers. The flowers are around 8 cm in size. The flower image is from the parent plant.

Bulbophyllum cheiri flava