Funny you ask. I found their catalog the other day while going though my model stuff. I bought an All American Sr from them about 30 yrs ago. Nice hand cut kit. Catalog shows $59.95.
From the catalog (actually 5 blk & white xerox copies stapled together)...
Golden State Models
R.R. 6, Box 9
Bloomington, Ill, 61704
Jim & Karen Rettic
All American Sr
Barnstormer
P51 Stunt (Sterling clone)
Yak 9 Stunt (Sterling clone)
The Stork 1/2a
Magician 48"
M .O. Profile Carrier
ME 109 Messerschmidt 1/2a
Spitfire 1/2a
Combat Pupppies 1/2a ($22.95)
Also sold Carolina - Taffinder fuel tanks (uniflo and standard)