In Vietnam I bought a 38 special from another grunt and carried it for my combat tour. He told me that he found it in an area when they had cleared out some vietcong. I recently gifted the pistol to my son who has become a gun hobbyist -- I've told him my history with this old friend but I know nothing about the DOB or the heritage of the gun itself. The serial number is C906XXX located on the butt-frame. I always thought it was an army aviator pistol but the serial number did not show up as "lost or stolen" when the ATF cleared the weapon for me to bring it into the states. So, what can anyone tell me? I believe it is a Model 10 with 4" pencil-barrel. Photos attached.