1973 Unused vintage 6 cent Marconi's Spark Coil and Gap/Progress in Electronics postage stamps. The stamp features Marconi's spark coil and gap, which enabled him to transmit across the Atlantic Ocean by wireless radio. You will receive 25 total stamps all in mint condition. Perfect for wedding envelopes, postcards, birthday invitations, scrapbooking or other crafts!
Face Value: 6 cents each
Year of Issue: 1973
If you need less than 25 stamps, please message us and we can make you a custom listing for the amount you need!
NEED ENVELOPES in a certain color to go with your vintage stamps? Convo us and we can set you up a custom listing, then ship your stamps and envelopes together! Please see all available envelope colors in photo #3.
All stamps are guaranteed authentic, unused and in perfect mint condition!
Please note that stamps are separated into blocks/panes/singles to fit our rigid envelopes and keep shipping cost low. If you would like to receive your stamps as a full sheet, just convo us and we can arrange that for you.