1977 Unused vintage Progress in Electronics postage stamps. Face value is 11¢ per stamp.
This stamp features a the invention of Lee de Forest, an Audion vacuum tube which was a device for amplifying feeble electric currents. The invention resulted in the first radio broadcast in 1907, earning de Forest the name “Father of the Radio.”
You will receive 25 total stamps all in mint condition. Perfect for wedding envelopes, postcards, birthday invitations or other occasions! They also look great for scrapbooking, decoupage and other craft projects!
Face Value: 11 cents
Year of Issue: 1973
All stamps are guaranteed authentic, unused, and ready for your envelopes!
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 message us through our Contact Form and we can arrange that for you.
Because these stamps are of a smaller denomination than the current postage rate, they can be used together or in conjunction with other vintage stamps to mail wedding invitations, party invitations, or just regular old snail mail!
11¢ Progress in Electronics - Pack of 25 Unused Postage Stamps from 1973
We gladly accept returns & exchanges.
Please contact us within 7 days of delivery and return all items within 14 days of delivery. To cancel before your item has shipped, please send us a message.
Conditions of return
Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.