BenzGay's links are to the NTSB data, but this is the info. First gear up landing was in August of 1965 in Bristol, PA. NTSB blames it on the pilot for not making sure that the gear was down with a failed generator being a contributing factor. Two onboard, no injuries. Appears that it was a charter flight.
Second incident was December 1967. It appears to be a collapse of the right main gear on touchdown and the NTSB blamed it on damage suffered in the previous gear up landing. They don't mention the number of hours on the airframe between the two incidents, but presumably this wasn't the first landing the plane had made since the previous incident. One person onboard, no injuries. Possbily someone got a screaming deal on a slightly used airplane.
My assumption would be that whoever repaired the plane after the first gear up landing received a visit from the FAA and NTSB to have their repair and inspection practices reviewed.
Finding the last time it flew is probably going to be more difficult. I'll see what I can do.
13X losers (or is 14 now?) refusing to learn from our failures.
Organizer's Choice! Trophy should have a bottle opener on it.