EDUCATIon

Many type 1 images are one of a kind (snapshots, family photos, etc) and some can range from 1-25 copies (estimate) depending on how many copies a particular news service printed from the original negative at the time the photo was taken. In most cases, the number is closer to 1 than 25. Either way, this shows how truly rare original Type 1 photos are.
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For those who collect all TYPE's of Baseball photography; I, II, III, IV etc..

Description

DEFINITION OF TYPES:

Type I - A 1st generation photograph, developed from the original negative, during the period (within approximately two years of when the picture was taken).*THE MOST DESIRED/VALUABLE TYPE BY FAR*

Type II - A photograph, developed from the original negative, during the period (more than approximately two years after the picture was taken).

Type III - A 2nd generation photograph, developed from a duplicate negative or wire transmission, during the period (within approximately two years of when the picture was taken).

Type IV - A 2nd generation photograph (or 3rd or later generation), developed from a duplicate negative or wire transmission, during a later period (more than approximately two years after the picture was taken).

http://www.psadna.com/photo_process.chtml
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PHOTO AUTHENTICATION COMPANIES:

1) PSA

*PSA Definitions of TYPES are becoming industry standards; roots derived from "A Portrait of Baseball Photography(Ground breaking Book)" *

http://www.psadna.com/photo_process.chtml

2) BECKETT

*Beckett offers numeric grades as well as types.

http://www.beckett.com/estore/info.asp?T=CP&D=2034&eskin=beckett&utm_source=vanity&utm_medium=Print&utm_campaign=Photos

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THE FOUR C's:
(Technical criteria used to measure up a photo)

1) Content
-Is the who, what, where, why, when of the photo significant?

2) Clarity
-Is the photo well-focused, captured and developed?

3) Contrast
-Are there good distinctions between white and dark areas creating a sharp, more focused image? Or do they blend and all run together?

4) Condition
-How well has the photo stood up during time? You will be hard pressed to find a mint photo used in publications over 75 years. However, it should still be considered a bit. You do not want a huge crease through the face of the central image for example.

*Four C's are better defined in the book:
"A Portrait of Baseball Photography"
by Marshall Fogel, Khyber Oser and Henry Yee.*

-A very comprehensive book on baseball photography.

For even more information, click this link.

https://www.psacard.com/articles/articleview/8313/collector-profile-reviving-ghosts-greatness-through-vintage-photos-ben-weingarten