A year ago I bid on Paph Billy Cardalino in the NJOS summer auction. To the auctioneers surprise, the plant was only about 6" across, but it had an old flower stalk in the original growth.
At the time I had just heard about a small growing version of Paph philippinense. Now I have obtained one of them. This plant is growing in a 3" pot, so you can judge for yourself how 'large' it is: