Australia’s issues of WWF stamps are have always been beautifully designed and well received by collectors.

This year’s WWF issue focuses on dolphins. The four types of dolphins depicted on the stamps are:

Spotted Bottlenose Dolphin / Tursiops aduncus
Hourglass Dolphin / Lagenorhynchus cruciger
Southern Right Whale Dolphin / Lissodelphis peronii
Dusky Dolphin / Lagenorhynchus obscurus