“Decorated corner of a veranda,” Queensland, Australia, ca. 1895, photographer unknown, via State Library of Queensland.
The shell of the giant clam (Tridacna gigas) pictured above was probably taken from the waters around the Great Barrier Reef. Today, the mollusk is a “vulnerable” species due to overharvesting.
enclos*ure 
Somehow, I can feel the dust and heat in this photo.