Need Help With Scott Number With Benjamin Franklin 1 Cent

Hello everyone.

This Bureau pre cancel is perforated 11 on all sides, including does not have dots on back of the stamp like with a flat plate. It has crease in back.I am having a difficult time with color of stamp since Benjamin Franklin 1 cent has different shades. I do not believe the stamp has been faded with color. It is not a flat plate, so can not be a Scott 552, or a Scott 632 which is common with a yellow green color. Most copies of the Scott 596 has bureau stamp with Kansas City, Mo. which is not common, including very rare.
Can someone please inform me what is the Scott number for this stamp?
Thank you in advance for any assistance.

Perf 10, flat plate, Scott 581.

Thank you Mr.Becker. I am checking perforation gauge again. Appreciate your assistance.

Lioness2, at the beginning of my presence on the forum I posted a few stamps that I believed were rare and expensive
But, they were identified as common by the members of the forum - so, I decided to learn as much as possible about stamps.
And here is a shortcut to perforations:
based on the size of the design, it is easy to establish the number of perforations by counting them at the bottom and at the top, first, and only after that on the sides.
In your case:
you count from the bottom left, from the first perforation starting right below the start of the design and you get 10 perforations. In some cases, where you have doubts, you can use the gauge, of course. However, most stamps will be straight forward identifiable

as there are different sizes of stamps and they are not always 2cm in width.... it's not the best way to actually count perforations :-), better always just using a perforation gauge.

... of course, this shortcut works only for the stamps with width or height around 2cm, Stamperix is absolutely right

581 is rotary... 552 is flat plate

Flat/rotary correction noted, although the stamp is still a 581.

I cringe every time I see advice to beginners to count perforations. It usually creates more problems than it solves. Please get a good quality perforation gauge, learn to use it, and understand its limitations. Then learn the shortcuts and their limitations.

John, I fully agree with you. A perforation gauge does not cost an arm and a leg usually, and works much better than counting perfs.
After all, you do not see a carpenter use his foot to measure?


Peter