https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/6081030![Double saltire.](https://images.rawpixel.com/image_social_landscape/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvZmwyNjk1MTcyNDk1Mi1pbWFnZS1reWNqbmhpMy5qcGc.jpg)
![Double saltire.](https://images.rawpixel.com/image_social_landscape/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvZmwyNjk1MTcyNDk1Mi1pbWFnZS1reWNqbmhpMy5qcGc.jpg)
Double saltire.
Double saltire.
A double saltire sign indicating a multi-track railway crossing in Amsterdam, the Netherlands. Officially, this is known as sign J13. Original public domain image from Flickr
Public DomainFree CC0 image for Personal and Business use