Looks like you are on solid ground, Mike.
TechMod put out a decal set for your airplane that appears to be the same markings in your cover photo. I'm not sure how accurate their research was:
Techmod Decals 72040 - Mitsubishi A6M2 Zero
Although not exactly relevant to your 261 Ku A6M2 Tail No. 110, here are some pictures of 261 Ku A6M5s captured on Saipan in 1944:
http://www.j-aircraft.org/smf/index.php?topic=6891.0
http://www.pacificwrecks.com/airfields/marianas/aslito/index.html
I'm at the office and so don't have my reference sources available, but will take a look tonight when I get home.
Don