Russian KL-1

Country of manufacture: USSR,            Date of manufacture: ____
Diameter: 5.0 cm,          Thickness: 1.4 cm,           Weight: 39.7 gms
Materials: steel body and works, glass lens
Indicator = one on front and back
Scales: 5
Front: Outer scale: B, Inner scale: C
Back: Outer scale: C (but reciprocally arranged w/respect to the 'C' scale on the front side), Inner scales: S, T (spiral)
Gauge Marks: [ π, C ]
Condition: C2-C3 (Mint to very minimal signs of use)
Came with: Cardboard box and instructions