| Image2 | |
| Cat Number | 1991a |
| Description | |
| Denomination | |
| Perforation | |
| Date Issued | 2001-08-09 |
| Variety | Strip of 4 #1988-91 |
| Series | |
| Color | |
| Year | 2001 |
| Type | Coil |
| Image1 | |
| Ebaylink | https://www.ebay.com/sch/i.html?_from=R40&_nkw=Australia+stamp+1991a&_sacat=0&rt=nc&LH_Sold=1&LH_Complete=2609 |
| ID | 2609 |
| Sorter | 2609 |