Leica MDa Post 24x27mm with Summaron 5.6/2.8cm

Very rare and interesting Post camera from an official batch of 19 cameras made in 1969 (no.1206942-1206961), with extremely rare removable Summaron 5.6/2.8cm no.2279768 from a unique batch of 200 lenses factory modified with M-bayonet (no.2279601-2279800) issued in 1968, long after the official production stopped, the body is in near-mint, original condition and working order, for 24x27mm exposures, note the frame counter to 60, unusual cut-off M4 type crank lever, shutter release by cable only (permanently locked at flash-sync speed) and blinded bulb flash-sync.