What would be the piping colours on a M1907/1910 Waffenrock of the 463 Infanterie regiment?

[Rik]

Attached is a black/white photograph of a member of the 463 Infanterie Regiment. As this was an infantry regiment the piping on the shoulder board would be white with red numbers.

But what about the piping on the rest of the uniform?

I hope anyone can help me with this.

Thanks in advance.

[AntonEbans]

IMHO, with the 1910 tunic, Brandenberg cuffs. I would think it would be piped in red.