30a["No News of the Koombana", The Sunday Times (Perth, WA), Sunday 31 March 1912, page 1]

...

Mr. Arthur Davis, of the firm of Rubin and Davis, pearl buyers, Broome, was just returning from Melbourne after undergoing a serious operation. He was not fairly recovered from the effects of this, but being under the necessity of visiting his buying agent at Shark Bay, was practically forced to travel by the Koombana. He would otherwise have waited a fortnight. Mr. Davis was highly esteemed by all who knew him.

...

30b["A Monied Passenger", The Murchison Times and Day Dawn Gazette (Cue, WA), Tuesday 02 April 1912, page 3]

It is stated that one of the passengers for Broome in the Koombana carried with him 2,500 in cash. It was his intention to make extensive cash purchases in the Nor'-West, and he carried the majority of that sum in coin.

30c["The Steamer Koombana", The Advertiser (Adelaide, SA), Friday 12 April 1912, page 8]

THE STEAMER KOOMBANA.

GOOD AND BAD FORTUNE.

...

It is stated that one of the passengers for Broome carried with him 2,500 in cash. It was his intention to make extensive cash purchases in the north-west.

30d["State", Geraldton Express (WA), Monday 15 April 1912]

Broome, April 12.

...

It is rumored that Mr. A. Davis, a passenger by the Koombana, who was a pearl buyer on a large scale, had valuable pearls with him, having met a buyer from Sharks Bay on his way up.