“REG’D U
S. MAIL” – “H”. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins.
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“REG’D U
S. MAIL” – “J”. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins.
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“REG’D U
S. MAIL” – “L” – Brass body. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins.
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“REG’D U
S. MAIL” – “L” – Alloy Body. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped alloy body. Brass shackle. Pin tumbler. 3 pins.
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“REG’D U
S. MAIL” – “M”. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins.
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“REG’D U
S. MAIL” – “N”. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins.
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“REG’D U
S. MAIL” – “P”. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins.”P” than other stamped case locks. It was used by the Post Office for transferring accountable items such as stamps and money order blanks from the SDO (stamp distribution office) to associate…
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“REG’D U
S. MAIL” – “R” – Old Model. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins.
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“REG’D U
S. MAIL” – “R” – New Model. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins.
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“REG’D U
S. MAIL” – Blank Reverse. 2 1/2″ high x 1 3/4″ wide x 1 1/8″ deep. Stamped Brass body. Brass shackle. Pin tumbler. 3 pins. This lock appears to have been removed from the production line due to the dents on the reverse of the body.