National Postal Museum
Box of type set and handstamp key
c. 1955
Metal box containing 70 type set blocks and one key for “unlocking” the type in the duplex handstamp.Together, the duplex handstamp, key, and type set involve all procedures for adding and removing type for the handstamp. The tyep set blocks note months, years and numbers (days of the week) and times of day with A.M. and P.M.
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