The Sparks of Genius

United States, c. 1973

40 x 30 in (102 x 76 cm)

ID #FF20A-PK14-L-09

"From the sprk coil to the transistor -- the electron era commemorated in four new stamps. Stamp collecting. For the fun of it."

Promotional poster for the "Progress in Electronics" stamp series showing the Marconi Spark Coil, the DeForest Audions, the Radio Speaker, the Microphone, and the Transistors.

Original poster from the U.S. Mail "Your Postal Service." Rare, limited edition print.

Condition: Fair, some folds visible

50-100 electricity letter lightening mail original poster postal poster radio science size-40x30 stamp technology TV usa vintage

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