Here's what I mean about the dodgy identifications on these photos of gunboats.
Here's the image from earlier in the thread that is identified as
Hunchback:
View attachment 45612
I'm sure that ID is correct, because it's scratched into the original glass plate negative:
View attachment 45613
However, the LoC has an image taken on the same vessel, identified as
Agawam, which was a completely different type of vessel altogether:
View attachment 45614
They're the same vessel -- note the dings in the paintwork. (Need to have the boatswain's mate get right on that!)