- gp-1.jpg (39.15 KiB) Viewed 1447 times
In the late 1800s, it had a criss-cross pattern.
- gp-2.jpg (32.17 KiB) Viewed 1447 times
WW1 gets the sunburst.
- gp-3.jpg (11.72 KiB) Viewed 1447 times
The to the flat button of WW2. I wondered how early these went. Having seen a shelter tent from 1940 with them, these probably go back to the end of WW1.