Translation of Seriennummer

Thanks a lot. Today and tomorrow are holidays in Switzerland, but I'll do it Tuesday first thing in the morning...please have a look at it and confirm. Where do you want me to place a reference?
I'm so happy that you wrote to me and I miss you! We are doing great. We have settled in very fast. Luise is going to her kindergarden, Sofia to University and I'm going to work driving my car every day.
We went to eat dinner at an Indian restaurant an my wife and I were afraid that it would turn our stomace upside down, just a day before we had to take the long train journey back to the capital.