Aptus DM28 also known as the Aptus ii 28. The body works great, with one exception. The sensor glass cover has a chip in it.
It does show up in images, especially when you use a f16 or higher apertures. Back comes with cover, CD, generic battery and generic charger.
The other marks you see on the sensor is dust. The item "Mamiya DM28 Digital Back Leaf Aptus For 645 AFD Phase One DF Medium Format" is in sale since Friday, April 17, 2020. This item is in the category "Cameras & Photo\Film Photography\Digital Camera Backs". The seller is "photonut" and is located in Mountain Home, Arkansas. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Pakistan, Paraguay, Reunion, Uruguay.