Due to the fact that you are in this photo is not reproduced is the angle of the signature, published a small mistake : the inscription on the album did not Rottermann Carl von , and Karl von
Rottermund (Karl von Rottermund). On your other photos of his signature is reproduced in full. If you are curious about it then there is little information on the website :
http://de.wikipedia.org/wiki/Rottermund_ (Adelsgeschlecht)