More than likely the actual piece he photographed was not bigger than a shoebox.
From the gothamgal.com
According to news reports, he carried the sum either in a shoebox or a wine box.
From the economist.com
When they finally got their little three-bedroom GI Bill shoebox, they were set.
From the stltoday.com
To complete the project, I made a shoebox habitat and got information from books.
From the thenewstribune.com
There are five postcards altogether, kept in a shoebox on the floor of my closet.
From the theatlantic.com
I use a plain old file folder, but a binder or shoebox would work just as well.
From the charlotteobserver.com
Keep those records in a shoebox, or use one of the options I'll describe below.
From the dailyherald.com
Each fourth-grade student designed a shoebox-sized float to represent a state.
From the omaha.com
Will they send and receive love letters they can stow in a musty old shoebox?
From the washingtonpost.com
More examples
A structure resembling a shoebox (as a rectangular building or a cramped room or compartment)
An oblong rectangular (usually cardboard) box designed to hold a pair of shoes
The IBM shoebox was a 1961 IBM computer that was able to perform mathematical functions and perform speech recognition. It recognized 16 spoken words and the digits 0 through 9.
Slang term used for describing a rectangular shaped outdoor lighting fixture.
Class 73 locomotive (from the boxy body shape and third rail pick up shoes required for operation on the Southern Region).