What is this bracket?

I was asked to get information on this bracket. The owner thought it was a WWII water can bracket but all the water cans I can locate were the normal "jerry can" style but with a "W" instead of a "G" stamped in them. Could this have been to hold one of the collapsable water buckets?

Its not WW2 vintage. Looks to me like an "Igloo" type drinking water cooler/dispenser mounted on a vehicle.

chupa said:

Its not WW2 vintage. Looks to me like an "Igloo" type drinking water cooler/dispenser mounted on a vehicle.

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Can't wait to tell him that. I hope he didn't pay anything for it

Is it aluminum or as the British say: aluminium?

chupa said:

Is it aluminum or as the British say: aluminium?

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No it's steel.

It is for a water can, just not the 5 gallon "jerry" style cans.

The guesses regarding it being for an "Igloo" are very close. Imagine the same type of water cooler, but being made of galvanized steel instead of orange plastic. I've seen pictures of them used with telephone line trucks and similar.