Australia KGV 1½d red SW, 16R4, used
Single watermark.
This is 16R4, with a flaw on the roo’s tail, notches in the inner border of the oval and the right frame, and a compartment line over the top frame at right (a particularly extravagant example of that last flaw, in this case).
_gsrx_vers_1516 (GS 9.3 (1516))