| Image2 | |
| Cat Number | 584 |
| Description | Opera House |
| Denomination | 7c |
| Perforation | 14 1/2x14 |
| Date Issued | 1973-10-17 |
| Variety | |
| Series | |
| Color | blue & ultra |
| Year | 1973 |
| Type | Commemorative |
| Image1 | |
| Ebaylink | https://www.ebay.com/sch/i.html?_from=R40&_nkw=Australia+stamp+584&_sacat=0&rt=nc&LH_Sold=1&LH_Complete=670 |
| ID | 670 |
| Sorter | 670 |