An issue that needs addressing is photos. What photos can be used, and what if the owners of photos aren't responsive or cooperative? I obviously I don't want to get sued for using the wrong photos, though I want to provide the best available photos of every coin. with so many coins, defunct mints, and many available photos, its quite the logistical exercise.
Obviously, every photo that Elias and I did not take will be acknowledged with the person's real name or forum name (as they desire).
For example:
Alan Archer (p.24, p.56), Bob Black (p.12, p.121 top, p.122 left), "charlie999" (p.78, p.99 left, p.187, p.199)... and so on.
And then:
We were unable to contact the owners of the following photographs. If you own the copyright, please contact us and we will update the acknowledgements in the next edition.
p.32, p.66 left and right, p.100 top...and so on.