Another special postmarker, showing a ballerina, was also assoicated with the Opera House. This was used from 17th October, 1973, to 13th November, 1973, at the temporary post office established at the Opera House, to cancel 103,530 articles, including 248 registered.
Details
- Date: 17 October 1973 – 13 November 1973
- Quantity: 103,530 articles
- 103,282 (ordinary)
- 248 (registered)