| Image2 | |
| Cat Number | 621a |
| Description | Catherine Spence |
| Denomination | 10c |
| Perforation | |
| Date Issued | 1975-08-06 |
| Variety | Perf 14x15 |
| Series | |
| Color | |
| Year | 1975 |
| Type | Commemorative |
| Image1 | |
| Ebaylink | https://www.ebay.com/sch/i.html?_from=R40&_nkw=Australia+stamp+621a&_sacat=0&rt=nc&LH_Sold=1&LH_Complete=720 |
| ID | 720 |
| Sorter | 720 |