Looks like the tire burned off the wheel.
Found this part with a assembly date of the 1st quarter of 1961.
The tailplane was almost complete with only a piece missing from where it attaches to the fuselage.
Just below the tailplane was a piece of one of the flaps.
A piece of rear fuselage with a scoop.
Near by was the other tailplane still attached to hinge mount.
The tailplane hinge mount with the missing piece from the other tailplane on the right.
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