Japanese sword in mountings, wakizashi, okissaki K-50

This is a Japanese sword wakizashi in mountings  The blade is unsigned, shinogi zukuri nagamaki-naoshi shape, muromachi period Ca.1550 era made.  The blade is in old full polish, no rust , no stain and in good condition.   The temperline is wavy notare temper with nie active above the temper and has deep temper at the point.  The forging grain is itame hada and has blister under the habaki but no other forging flaws.  There is no nicks, no bend, no crack and the cutting edge is razor sharp.   The scabbard is urushi lacquered scabbard in good condition.   The handle is tight fit with shakudo fuchi/kashira, with shakudo menuki.  The tsuba is marugata iron sukashi tsuba with nice patina. It measures 15 7/8" cutting edge, 1 3/16" width, 6mm thickness at the notch, 1 1/4" width at sakihaba 4 1/8" long point and 23" in mountings.   It is heavy, wide and strong feeling wakizashi. Shipping is $10 priority in U.S and $30 overseas via express mail. Accept pay pal, money order.