150th anniversary of the invention of the voltaic pile

Data sheet

Issue

09/14/1949

Face value

£20.

Description

Volta pile

Color

red

Perforation

14 ¼ l

Press

intaglio

Printed by

I.P.S. Value card workshop

Sheets from

60

Watermark

wheel I

Drawing

F. Frigerio

Circulation

3.000.000

Unificato Catalog

611

Specific References