| Image2 | |
| Cat Number | 324 |
| Description | Platypus |
| Denomination | 1sh |
| Perforation | |
| Date Issued | 1959-09-09 |
| Variety | |
| Series | |
| Color | slate green |
| Year | 1959 |
| Type | Definitive |
| Image1 | |
| Ebaylink | https://www.ebay.com/sch/i.html?_from=R40&_nkw=Australia+stamp+324&_sacat=0&rt=nc&LH_Sold=1&LH_Complete=360 |
| ID | 360 |
| Sorter | 360 |