“Photography is a complex and fluid medium, and its many factors are not applied in simple sequence. Rather, the process may be likened to the art of the juggler in keeping many balls in the air at one time!”
Ansel Adams, from the introduction to The Negative - The New Ansel Adams Photography Series / Book 2
Sorry, the Nickel is in used condition. All I know of it's history is that legend has it that it was once used for attaching quick release plates to a Graflex