Australia - International: Marconi.
Letter Telegram forms.

These forms were used to request the transmission of a message written by a passenger aboard a ship to a shore station from which it would be posted to a nominated destination.

The Letter Telegram was sent at a reduced rate.

Radio lettergram F

Unused Letter Telegram transmission form to be used aboard the S.S. Iberia- a ship which frequented Australian waters.
Lettergram 2

Reverse side of the above delivery form showing a common advertisement for the Savoy Hotel in London.
Conditions

Detail extracted from the reverse side of the above form showing Conditions for use of Letter Telegrams.