Crappy tank

Ordered a tank on ebay. They had it pictured as the silver anodized tank, they sent me a crappy grey primed tank. I am guessing it does not have the nice plating under the house paint. Anyway, any issues with running it? Sending it back is not an option, I live in Canada and had it shipped to a US border town and didn't see it until I got home.

Was just going to give it a scuff, and paint it a trim black type color.

Thoughts?

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What's the part number stamped in the top of the tank?