The model represents the Greek traditional vessel “Trechandiri” with
an old type of rigging.
It's a version of ‘Polacra” rigging where on the standard one (called
just "Bombarda") there was a gaff sail and its topsail on the mizzen.
This type of rigging was appeared in Greece at early of 19 century
and she was called “Bombarda Sabatiera”.
Both types of riggings were used on commercial transportation vessels