In response:
1. Only a few RAF bombers were personalised with names or nose art.
2. It was one of 247 built by Avro Manchester and delivered between March and June 1943.
3. If you go to the National Archive site, you can see the Operations Record Book for 12 Sqn and can work out from that the missions it flew. It could not have been on the squadron long as it was relatively new.
https://discovery.nationalarchives.g..._dt=SQ&_hb=tna
4. The Operations Record Book will tell you this also