Bulbophyllum aff. dissitiflorum
3.5" pot blooming size plant available for sale at $35. 
Only one plant available. 
The plant is a cutting from the plant in the flower pictures, already established in the pot. 
The plant has 4 growths. 

This Bulbophyllum species has dark brown coloured flowers that are around 5mm in size. It usually form around 3 flowers on each spike.

Bulbophyllum aff. dissitiflorum