In general, determing the rights associated with photographic reproductions is complicated, in part because an image may be encumbered by different "layers" of intellectual property rights, any of which potentially may restrict its use in certain ways. For this reason, when it comes to graphics, rights must be assessed on an individual, item-by-item basis. Factors to consider include whether the photographic reproduction is an exact replica of the underlying work and if the underlying work is protected by copyright.
Underlying work: original created entity, which is the subject, or content, of a photographic reproduction. This subject can be unique or a work produced in multiples, as long as it is somehow "fixed" in a tangible form.
Photographic reproduction: a surrogate image, the purpose of which is to record the physical appearance of an underlying work. There are two broad categories of photographic reproductions, which differ both in their intent and status as intellectual property: