Marconi-Kemp Wireless Experiments 1897 Chelmsford ESSEX_2042

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Description

The Marconi Philatelic Society produced an illustrated cover for this handstamp and the new BBC  stamp issue where the 9p stamp commemorates the event  of the first transmission of a wireless message.

A serviced cover with the 9p stamp cost 20p each or 24p if returned under separate cover. Orders needed to be sent to The Marconi Philatelic Society, Marconi House New Street Chelmsford CM1 1PL where there was also a special post box  for items to receive the handstamp

Cachet on front of cover – Posted at Marconi’s Original Hall Street Works