Scotts US 409 Or 482 , Type 1 Or Type 1A, Mail.o.meter Or Another ?

I purchased two lots of Schermacks the other day.
In those lots there was only one that looked completely different.

Not sure if its,

Mail-O-meter Company,

Farwell Company,

Brinkerhoff Company,

U.S. Automatic Vending Company,

International Vending Machine Company,

Attleboro Stamp Company,

Also any chance this could be a Scotts U.S. 482 type 1a .?.
Toga rope lines and button seem a little bit more stronger than faint.

482s were only used by Farwell, Schermack, and Mail-o-Meter.
For your stamp to be a Farwell, there'd have to be a gap between the perfs, there's not, so it isn't.
Schermack used rectangular perfs on their 482s. Yours are circular, so it's not a Schermack.
Mail-o-Meter type IV had five perfs which is what yours looks like.

No chance that it's a type Ia in any case, this is a clear type I.

Is there an introductory guide or primer that describes the differences between the perforations by the different companies noted above? I'm still learning about this aspect of the hobby, so for example I don't know how to identify a "Schermack" perforation.
Thanks!

There is a book which can be downloaded from the US Stamp Society if one is a member. Well worth it if you are going to collect them seriously.

This is a Mailometer type IV. Perforated and coiled in St. Louis, most common is a Scott #409.

A book "Guide to United States Vending and Affixing Machine Perforations 1907 - 1927" by Steven R. Belasco is an extensive and the most often referred to on the subject.

Very interesting niche to collect.

HAVE FUN

You can access the Belasco book here:

https://www.usstamps.org/download/g...s-1907-1927/

Thanks for the resource materials! This is very helpful for beginners.

Schermack Perforation Types

Type I: Features two small round holes (~1/16") placed vertically in the interspace, often accompanied by short hypodermic slits above or below. Used primarily on early 1906–1908 imperforates (such as Scott #314). Very rare.

Type II: Features a single long, vertical rectangular slot with rounded ends placed in the interspace. Designed as an intermediate step to improve pin feeding. Rare.

Type III: Features 6 small round holes arranged vertically between stamps. Designed to maximize paper strength while giving mechanical feed pins precise tracking. This is the most common commercial private perforation (widely used on Washington-Franklin imperforate issues like Scott #343, #383, #408, #481, etc.).

Schermack Type III perforation holes are not round, they are rectangular. There are two of these rectangular holes in the interspace between stamps.

Umm, what? Lalo, where is that information from? Those descriptions do not match the 3 Schermack types as listed in the Vending Machine Perfs section of Scott's Specialized Catalog..

Yea man aye know ...

I ask the mod to delete it soon as I posted ...

Guess they were busy ....