Technically a "press" photo can be all four types, if you want to use that system which is very limited in its applicability but people like it so I will play along.
A "wire" photo (type 3) is a Press photo, but it can ony ever be a type 3. Type 1, and type 2 photos depend on what the photo ws developed from and a type 4 refers to the fact that it is made from a copy negative.
Sometimes the company that received a wire photo would put a paper tag on the back for cataloging purposes as was stated above, but that is a VERY rare occurance, they were not issued with paper tags.
Rhys
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