Vivitar 2X Tele Converter MC Canon C/FD,FL Original Box

Vivitar 2X Tele Converter MC Canon C/FD,FL Original Box. Has original manual and leather case. Made in Japan. Measures approx. 2 1/2"W x 1 7/8"L. Box is in poor condition. Lense glass is intact, with no chips or cracks. Housing has no breaks or repairs. Pre-owned in good condition. Please see the pictures as they are part of the description.