New to Board and looking for information

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Hi, and thanks for being available online!
I recently purchased an antique jack out of curiosity and now the curiosity is killing me because I can't find any information about it.

I "think" it is a railroad track jack. It is marked MONARCH JACK; Pat d Oct 6 1908 2A with another marking 3A (and I think there is also a 4A).
I can find nothing about Monarch except lanterns.
Measurements: jack is 32" tall; handle is 23" long (wooden)
Can anyone help? I "hope" the pictures are attached.
Thank you,
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