Hi Jean,
it seems an eagle, or a similar bird.
I have no idea if this image could be referred to this fancy cancellation, however the blason (and the flag) of the brazilian state "Santa Catarina" (where is located the town of Laguna) has an eagle in the center:
http://en.wikipedia.org/wiki/File:Blaso ... tarina.svgThe fancy cancellations were used in the USA more than in other countries, so searching any book or article on these marks used in Brazil is more difficult.
In this list, in fact, quite all the books are related to USA fancy cancellations:
http://uweb.superlink.net/~frank/list_o ... ancy_c.htm
