AGFA FILTER LIFA LICHTFILTER 6X6CM 55MM DIAMETER LENS ORANGE NR.4 BECAME YELLOW

Filter is made of two piece of glass. In-between some half transparent haze like spots formed. Can be cleaned, but I don’t want to take it apart.
Filter shows moderate signs of prior use and is in good condition. Shows tiny scuffs, tiny scratches, no dings, no dents, some paint rub off on the metal.Shows no scratches, no cleaning marks. Clamp works smoothly. Fits up to 55mm diameter front lenses.