MPP England bayonet mount filter for Microcord Microflex TLR camera

Description

Made by MPP (Micro Precision Products) in England, this is a bayonet mount filter for Microcord or Microflex TLR camera. This is a clear filter, not sure if daylight or skylight, or UV. Bay 1 size. Only signs of use are on rear of bayonet tabs. Glass is clear and clean to naked eye, a nice, very scarce item for MPP collectors.