I have a feeling I'm done...
Ships like this have a sheer lack of ancillary details that many more modern ships do. However, as long as the rigging is okay...
She's meant to be a fast packet, whether sailing or steaming. She has an extra mast than most similar ships, which shouldn't interfere with the others. She certainly has less than the 7 masts that some ships have...
ETA: I say all that, but I'm sure I've missed something