Claude
The cachet, designed by C. Stephen Anderson, features a blue line-drawing illustration of the new automated post office building with 'Operation Turnkey' text and mechanical sorting equipment symbols. Descriptive text explains the world's first completely mechanized post office at West River Industrial Park, Providence, RI. The 4-cent blue stamp depicts an aerial view of the 1960 Providence, RI automated post office facility. The postmark is a hand-cancel from Providence, RI dated October 20, 1960, accompanied by a circular Post Office Department seal showing a mounted rider (Pony Express style).
Mistral
The cachet features a detailed blue line-drawing of the automated post office facility with mechanical sorting equipment symbols and the text 'Operation Turnkey.' The 4-cent stamp displays an aerial view of the innovative 1960 postal facility in Providence, RI. The postmark is a circular cancellation with the text 'PROVIDENCE, R.I. OCT 20 9-AM 1960.' The envelope also includes descriptive text about the mechanized post office and its capabilities.
(The automatic summaries sometimes misidentify the postmark as part of the cachet artwork.)
