What follows is a new one for me... an American-registered Cessna P210N pressurised Centurion.
This aircraft, registration N526CH, has what appears to be a turbine engine, including a "JET A-1" decal on the right hand ride just in front of the registration. The FAA website states that this aircraft has a reciprocating engine... I had thought there was a conversion of the 210P model that had the turbine, maybe there are other conversions also? Does anyone have any more information?