No i think its 3.00 ...
It says kickstart version 39.106
workbench version 34 20....
Yes, version 39.106 is a 3.0 ROM
To my knowledge Workbench 3.1 requires 3.1 ROMs.
That means that your A1200 kickstart should say "Kickstart version 40.68"
Have you obtained this kickstart yet?