I posted a section of one of these not too long ago. Most of the time the ones I find are a little beat up or far too messy and only have one or two nice sections for photography, but this one was complete and looked pretty nice.
Olympus BHS, Olympus 4/0.16 S Plan Apo, darkfield.
Olympus BHS, Olympus 40/0.70 S Plan Achromat
