Australia 1936 Opening of Submarine Telephone Link to Tasmania

From Stamps of the World

This design shows Amphitrite with cable spanning between the two shores (Tasmania & mainland Victoria).

2d scarlet
3d blue

The 2d stamp has two types; Type A has a line joining the inner & outer frames to the right of the left 2d value, Type B does not have this line, apart from this both are identical.

Aus 1936 Type A.jpg
Aus 1936 Type B.jpg