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2x3 plate with a triangular post.  Found 2 in a bin with a1 and a2 on the bottom 2x3 plate with a triangular post. Found 2 in a bin with a1 and a2 on the bottom

2

These are train direction toggle posts from the old 4.5V train system. Part 3218 Train Direction Switch - 4.5V 2 x 3.

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