That would be my guess as well...
it has prompted me to add a slide into my PPT presentation: Slipper Orchid Art: how to get your fix if you *still* don't feel like you can grow them.
(The urinal exhibit photo is included in that slide) :rollhappy:
One of my other passions are Hermes scarves and one of the themes that I collect are H scarves with orchids on them. There's a few of them (off the top of my head I think it's 6) with orchids including at least one with Paphs.