C No. 47 MK. I Stand, Instrument, MK. I for the Telescope, Observing, Sniper’s C MK. I made by Research Enterprises Limited in Ontario, Canada. Folded, showing the markings. “STAND, INSTRUMENT”; next line “C No. 47 MK. I CGB 99 GA”; next line “411-C R.E.L. CANADA 1945”