Great post. I love Carcassi but I've never heard this one before.
Me too, I didn't know this piece, until I came across Samantha Muir's ukulele version and that made me search for the original.
It's at the end of the Carcassi method, which explains, why it is relatively unknown. Most students probably give up before reaching this wonderful Allegretto:
Thanks Marieh for making this piece a little bit better known!