Bicycle Lamp Blackout Mask.

N.O.S. bicycle lamp blackout mask contained in it's original envelope. The mask was designed to be introduced in front of the lens of the standard bicycle lamp, the envelope in which it was contained was also designed to be cut out in order to act as a diffuser. The mask has some very minor rusting which has bled through to the envelope which remains sealed with the second image showing a typical example.

Code: 11353