Vivitar Coated Close-Up Macro Lens Filter No. 1 2 3 52mm Thread

This is a set of Vivitar close-up macro lens filter. They are Nos. 1, 2, and 3 for a 52mm threaded lens. The glass is coated and very clean, with no scratches or problems, and the threads show little evidence of use. Made in Japan. Photos shot with a Ricoh Rikenon 50mm F1:2 lens PK mount adapted to an EOS APS-C camera.