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This model is the Dyna-Mo R.92 Heavy Bulldozer in yellow.
The model is a one-piece body molded with representations of the grille, seat, levers, tracks and wheels, blade etc. There is no glazing.
There is no baseplate.
There are no wheels on this model.
The model comes in a plain brown cardboard box. On the face of the box is printed the Dyna-Models logo to the left centre, " "Dyna-Mo" " to the upper right and "Dyna-Model Products Company, 75 South Street, Oyster Bay, Long Island, New York" on two lines at the centre bottom. The right end flap has "R.92" to the top left, "HO" to the top right, "Heavy Bulldozer" in the middle centre, and "75c" at the centre bottom. All text is in red lettering. All other sides are plain. I have assumed from the end flap the original price of the model was $0.75.
This model was issued circa the period from 1946 to 1958.