Press "Enter" to skip to content

What is a perforation error on a stamp?

What is a perforation error on a stamp?

Imperforate errors: Sometimes referred to as a perforation error, this occurs when perforations are missing from one or several sides of a stamp. Perforations are a series of small holes or apertures which are designed to enable easier separation of the stamps in a sheet.

How do you read a stamp perforation?

How to measure stamp perforation. The surest way to measure perforations is to paste a black band on a white card exactly two centimeters wide and lay the stamp on it so that the center of a tooth coincides with the edge of the black band; then you need to count the number of perforations to the other edge of the band.

What happens if I put the stamp on the wrong side?

Putting the stamp in the wrong corner will mean the envelope is the wrong way up, and the machine will reject it as unreadable. It will then have to be sorted by hand – which is a slower process.

Does it matter if a stamp is sideways?

Upright, Sideways, Upside down – it doesn’t matter. However, it’s a good idea to put it ABOVE the address. The phosphor tagging on the stamp allows the sorter/canceller machine to rotate/flip the envelope so the stamp is at the top.

Do stamps go on left or right side?

Stamps must be affixed firmly in the upper right corner of the address side of the mail cover. Any stamp partly concealed by an overlapping stamp may not be counted as postage.

Why do stamps go on the right?

The Real Reason We Put Stamps in the Top Right Corner There’s nothing like receiving a hand-written note in the mail. During that time, letters were hand-sorted by postal clerks, so placement wasn’t as important. But once machines were introduced in the 1890s, a standard had to be chosen.

Can you put stamps on top of each other?

Affix the Postage Stamps When more than one stamp is required, begin placing the stamps in the uppermost right corner and place additional stamps in a line across the top of the envelope right next to each other. If you accidentally put a stamp on the left side, peel it gently from the envelope and place it correctly.

Can you put tape over a stamp?

Affix your stamps securely, but do not put tape over the stamp(s) — this invalidates the postage. If your envelope is textured, or contains decorative fibers or floral inclusions, you may want to secure the postage using a glue stick. For more information go to Print Postage Online at

Why do inmates put stamps upside down?

There’s no better way to tell someone in jail you love them. An upside-down stamp means “I love you.” The stamp posted slightly off-kilter means “I miss you.” There’s a lot more crammed into the placement of one little square on a slightly larger square.

Is it illegal to put a stamp upside down?

It is illegal to place a stamp of the Queen upside down on a letter. The Act itself certainly does not refer to stamps. According to the Royal Mail, it is perfectly acceptable to put a stamp upside-down.

Does a stamp go vertical or horizontal?

Yes, the stamp has to be in the top right corner, usually about a centimeter from the top and right hand sides. Can I mail a letter with the stamp upside down? Yes, the orientation of the stamp won’t matter at all.

Can I glue a stamp on an envelope?

No. Although you can glue unused postage stamps onto an envelope, any method of adhesion must allow a cancellation device to come into contact with the stamp. Tape or plastic coverings on the stamp will prevent this, so they’re prohibited.

Do you lick a stamp?

You lick a stamp just like you dial a phone. In other words, you say you do, but you don’t. It certainly seems that the stamps with their own adhesive on the backs — the ones you don’t have to touch with your tongue — have just about completely taken over the U.S. mails.