/usr/share/doc/icon-slicer/examples/Sample/24x24/stock/gtk-save-as.icon is in icon-slicer 0.3-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | # Generated by icon-slicer, do not edit
[Icon Data]
EmbeddedTextRectangle=6,5,17,12
|