Sailor-trade piece still in box-Valent, Sumitomo Chemical

Sailor-trade piece still in box-Valent, Sumitomo Chemical-lanyard with a watch-it works! Blue side is a pen, yellow side is a pencil. Interesting and unusual piece. Not sure what product it was promoting but is in excellent condition!! Measures 5” long and about 1” wide at the widest point. String lanyard is about 28” long.