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Monitor Check Protector
The Monitor Check Protector, Eaton & Ellsworth patent no.153,059 of 1874, a.k.a the Monarch Check Protector, was produced by the R.H. Smith Mfg. Co. of Springfield, MA.
Have one for sale? Please email me at Antikey.Chop@gmail.com or call +1 860 729 2252
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