Paraphalaenopsis denevei 
Blooming sized plant mounted on fern bark available for sale at $135.
The longest leaves of the plant are around 25 cm in length. 
Only 1 plant available.
The plant is a mericlone of a pure denevei originally from Indonesia.
The flower images are from this batch of mericlones.
This Paraphalaenopsis species is quite rare and difficult to come by, it's easy to grow and can flower 1-2 times a year. The flowers are yellow to light brown in colour, around 5-6 cm in size and have a strong fragrance.