If a magnet doesn’t stick its solid brass, if it does, it’s a brass covered steel.
So should you polish it? To improve it’s value no, the patina reveals it’s age and charm, according to some, but then again if you prefer clean and shiny it’s totally your call… English Custom Polishing believes antiques need to be restored and preserved and if greenish oxidisation or black tarnish doesn’t do it for you, clean it by all means but leave a little grime in the cracks to show antiquity and allow for accurate dating.
Totes cool, to touch, to behold [those fab retro colours] and for keeping drinks colder longer, hence their once uber popular status, Aluminium tumblers conjure up a checked orange wool blanket picnicy nostalgia for Gen Xers. Don’t they?
During the 1960s aluminum cookware and pieces were thought to be linked to Alzheimer’s Disease but apparently there’s been no definitive research to prove this. The Alzheimer’s Association claims it’s a myth according to ehow. So if you are cool with that then consider them safe for a few bevvies.
But just check, I did find this warning to check if the coating is chipped or flaky. And to make sure the tumbler is aluminium. Best to avoid acidic drinks like lemonade and don’t hold it in them for long periods. Chug down your cold one with a dose of warm happy memories.