Eastern States Knock Blue 55-20

This is a standard men's double bridge frame from Eastern States Optical. This is a timeless shape that has 2 simple dot shields on the front and an oval shield on the temples. The model is called Knock. The color is called Blue, but is very very clear with just a hint of light blue. The size is 55/20. The frame is stamped Frame France. The original frame card the frame was shipped with is included.
 
SIZE SPECIFICATIONS:
Frame Size 55/20 (Measured in mm. 55mm eye size, 20mm bridge size)
Temple Length 5 1/2"
Hinge to hinge 4 7/8"
Full front width 5 3/8"
Inside lens height 43mm
Top to bottom frame height 1 15/16" (49mm)