British WW1 ammo box?

[JensF.]

Is this a british ammo-box? It is stamped 1917:

[Chris Boonzaier]

Is this a british ammo-box? It is stamped 1917:

Looks like a Vickers box

http://www.vickersmachinegun.org.uk/

[JensF.]

Thanks, thats it!

[JensF.]

Btw. it seems that there is a layer of not very healthy asbestos in the lid.