1.5" without dot pattern with metal covered back and name of "Pin-Lock." Photo shows incredible amusement ride and under magnification two people are shown by its base which gives an indication as to the mammoth scale of this attraction. Cream background has just the faintest tiny scattered dotting on the bottom right quadrant. Still displays glossy and Exc. Technically the exposition was 1898 but local residents continued it into 1899. Rare. Morry Greener Collection.