Image: Johan Gadolin 1960 first day cover 6q182k40pf

Description: “First Day Cover Commemorating the 200th Birthday of Johan Gadolin.” Postmarked in Turku, Finland, June 4, 1960. Witco Stamp Collection, Box 1. Science History Institute. Philadelphia. Cachet and stamp depict Johan Gadolin, who discovered the element yttrium and is considered the "founder of Finnish chemistry." The stamp commemorates the bicentennial of Gadolin's birth and features his likeness based on a portrait made when he was 19 years old. The cover is not created by the Post of Finland but by Jakobstads filatelister r.f., a private philatelic club.
Title: A private First Day Cover by Jakobstads filatelister Commemorating the 200th Birthday of Johan Gadolin.
Credit: https://digital.sciencehistory.org/works/tm70mv24n
Author: Unknown authorUnknown author / Jakobstads filatelister r.f.
Permission: This template does not apply to postage stamps first published after 1989. Because Posti- ja telelaitos was changed from an authority to a company in the beginning of 1990, postage stamps published by Posti- ja telelaitos were not anymore part of decisions by an authority. Most probably the copyright owner of postage stamps published after 1989 are Itella Oyj or the designer of them. All postage stamps first published after 1989 marked with this tag should be speedily deleted.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No