Mamiya RB67 - medium format camera

Vintage>50. Professional medium format camera which takes 120 roll film (negative or transparency. Manual Camera. 2 stage wind on. 90mm lens. X1 back. Top view finder, folds down. Bellows for focussing. I purchased this in London second hand 30 years ago. I have used for photographic projects over the years. Can send video of the camera and in use. One dark slide that you remove to take the pictures (allows the light onto the film with use of light metering or bracketing - adjusting your exposure shutter speed and depth of field, your F stops) This is not electronic and does not take batteries. I also have photography books on medium format photography, lighting and so on. Will upload if interested. I will send in a Lowepro rucksack that has a padded bottom compartment that fits the Mamiya perfectly. Surrounded in polystyrene and packed in a box. No offers.