Vintage Cosco Model 50 Die Plate Dater Stamp – No. 2, Original Box Dated 1986, Provenance from Geo. Atlas & Co. Auditing Dept., NYC – Excellent Condition A fantastic slice of mid-century American office history: this Cosco Model 50 Die Plate Dater (No. 2) comes complete with its original box and bears intriguing provenance. Cosco (founded in 1893 as Consolidated Stamp Manufacturing Co., later evolving into a leader in marking devices) produced rugged, reliable tools like this for decades—perfect for dating documents, invoices, or logs in busy offices.
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