| Image2 | |
| Cat Number | 1789a |
| Description | |
| Denomination | |
| Perforation | |
| Date Issued | 1999-10-01 |
| Variety | Pair 1788-9 |
| Series | |
| Color | |
| Year | 1999 |
| Type | Definitive |
| Image1 | |
| Ebaylink | https://www.ebay.com/sch/i.html?_from=R40&_nkw=Australia+stamp+1789a&_sacat=0&rt=nc&LH_Sold=1&LH_Complete=2312 |
| ID | 2312 |
| Sorter | 2312 |