Well after alot of research online, and a little luck i found what i needed.
what i have is a 1954 ATF Turkish Mauser M1938 8mm.
appearently, they have quite an interesting history, only 10,000 were made, i own number 757.
in short, they started life as a gewehr 98. adapted to turkish service ( reciever mods and rechambered as needed ) as the model 1938.
when this program started in 1954, the first 10K were marked with the factory initials ATF and the year the program started up, 1954.
after that, the subsequent rifle had smaller receivers and weaker bolts. k98's and other mauser models were used as well to keep production up.
the ATF's are reported to be able to handle the hottest 8mm loads
disclaimer: this is what i understand, from what i have read online, and is a over view of facts.