Engravings on camera top: „ФЭД“
Shutter: 1/25, 1/50, 1/100, 1/250, 1/500 and B.
Two series for the 1g:
- First the Fed logo and the serial number are engraved on the top.
- Then the logo is only on the top, the serial number is on the back.
Serial number range: #400.000 to 715.000 .