MIKO MARKETING TROLL

Unbranded. Distributed by Miko Marketing, Inc. Ontario, Canada. 3.4" diameter. Discs in 2 colors, blue and pink, with black troll hotstamp. About 10 flight rings on top, near outer edge. Made in Canada embossed on the back side. Mid-1970s. 

These are most likely unlicensed Troll products made as the result of an error in the copyright notice of Thomas Dam's original product that resulted in cheaper imitations.