ftp.nice.ch/pub/next/graphics/bitmap/GraphicsWorkshop.1.1.s.tar.gz#/GWSource.pkg/_GWSource/GWSource/Bitmaps

SampleImage.iff
 

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.