Taken with the Lomo LC-W camera in that I previously used week 189 of my 52 film cameras in 52 weeks project:
52cameras.blogspot.com/
www.flickr.com/photos/tony_kemplen/collections/72157623113584240
The LC-W (wide) has a 17mm lens, and can take half frame, square or full frame images depending on which of three film plane masks is installed.
Expired (1986) 3M 640T slide film, cross-processed in the Tetenal C41 kit.