The seal colors mean the same thing whether the money is uncirculated or has been spent.
Seal colors weren't standardized until the 1920s so the this answer only applies to bills printed since then.
There's never been a silver seal on standard US paper money.
Other colors:
The designation "BU" for any coin means "Bright Uncirculated".
"BU" means "Bright Uncirculated". However it's not a valid or meaningful coin grade. It's sort of a catch-phrase for any particularly shiny uncirculated coin. Actual uncirculated grades use the designation "MS", or Mint State, followed by a number ranging from 60 (the lowest possible condition for an uncirculated coin) up to 70, which effectively means that the coin is perfect. There are very specific criteria for those numeric designations and assigning them requires special training.
money economy is all about money u spend and all the money the economy such as cash;coins By:Ayesha
means keep track of how much money you have baby
One who does not have to work hard. Money comes easily.
uncirculated money meens the money was never used (new never touched). Ie. still in the pressed bank roll from the mint. once the money is taken out of the roll and spent it is circulated.
Sea, Air, Land
The blue segments on graphs can mean any number of things based on how the graph is setup. They can mean the number of people who visit a place or the amount of money collected.
depends on both, i mean i use seals at me house! :3D
In the antarctic the number of species constituting the food chain is relatively few. It can be summed up in 5-6 lines Phytoplanktons > zooplanktons > blue whales Phytoplanktons > zooplanktons > fish >smaller seals/penguins/whales/sea gulls ... Penguins > smaller seals > squids/elephant seals/sperm whales ... Squids/seals > whales
AU is an abbreviation for About Uncirculated. It means a coin which is very close to uncirculated by not quite.
almost uncirculated
It means you got some grammar to improve!
"Blue Money" is a song written and recorded by Van Morrison in 1970. What Blue Money refers to in the song, and in most uses of the term, is money earned from salacious or racy photographs and images.So, in the Van Morrison song, when he sings "The photographer smiles, take a break for while, do your very best... when this is all over, we'll be in clover, and we'll go out and spend all of your Blue Money," he's watching his woman have naked or nearly naked pictures taken of her and is looking forward to spending what she makes- the aforementioned Blue Money!
Usually a puff of blue at start up means poor valve seals or loose valve guides. Other symptoms depending on how bad it is are blue smoke under engine braking, like slowing from highway speed and when it gets bad Smoke at idle but not with the engine under load.
If you have dry seals, if have at least leakage because a dry seal cannot prevent oil to come out. Also if you have cracks in seals it mean you should replace it.
the six seals are the six different places that Texas been rule by