There is only one Forever Stamp, it pictures the US Liberty Bell and says First Class Postage. It is good only for the first ounce of a letter, anything more in weight requires additional postage.
There are many other non-denominated stamps that may say First Class Postage, but they are not Forever Stamps, they were created for a specific rate. These stamps are still valid for that amount of postage, but they must be supplemented to make the full rate necessary.
No, not all USPS Forever stamps have a black slash through the word 'Forever.' The design varies depending on the specific stamp issue, and only some stamps feature this design element. The black slash is typically used to indicate that the stamp is no longer valid for postage, but it does not apply to all Forever stamps.
Stamps that are currently being used are still good into the new year . Buy the forever stamp that is honored even when the postal rate goes up .
Yes, you have to prepay postage with a stamp even on a local letter. The PO no longer delivers w/o postage.
forever
No. The Post Office will accept your overpayment and cancel stamp all the postage stamps, making them no longer usable.
Large.
Large.
forever
Forever ethanol is a liquid that might be invented in the next few decades. Forever ethanol allows us to be invincible from deadly substance, avoid death, live longer or forever.
It depends on the country in which you live. In the US stamps never expire, so the answer is yes. ( There are a few old exceptions, but you are not likely to have any of these lying around. Also special delivery stamps which did not really pay for postage, but for a service that is no longer available, are not valid for anything anymore.)
No, Goodyear tires do not last forever. In fact, they will last anywhere from two to four years. Longer if well taken care of. However, they will not last forever.
Forever. After some time it may no longer affect your insurance, but it will always be on your criminal record. Always and forever.