19 September (Austria ) within release Int. Congress for Occupational Health goes into circulation Stamp Worker protecting his face with his arm face value 3 Austrian schilling
Stamp Worker protecting his face with his arm in catalogues | |
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Michel: | Mi:AT 1217 |
Yvert et Tellier: | Yt:AT 1052 |
Stamp is vertical format.
Stamp Worker protecting his face with his arm it reflects the thematic directions:
A conference is a meeting, often lasting a few days, which is organized on a particular subject, or to bring together people who have a common interest. Conferences can be used as a form of group decision-making, although discussion, not always decisions, is the primary purpose of conferences. The term derives from the word confer.