HELP!!! I Have this Cast Iron Brass Cannon..........

[EZTX]

I need help figuring out what this cannon is used for. I bought it at a auction in TX. The description said it was a race starter, but when I researched online I found that it could also be used as ship signaler?? Anyways it is pretty heavy I'd say around 20-25 pounds. It is 17.5 inches from front of cannon to the back. It is about 7 inches tall. I can't find any markings as to who manufactured it. The cannon rises and lowers and there is a little circular hole (about the size of a nail head) that looks like you might put a fuse or something there. Anyways please help me figure this out I've attached pictures. THANKS!!!

 

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[Guadalcanal]

I have no idea what it is used for, but that's a pretty epic mini cannon!
-Guad

 

[Breezie]

I did some research on the net and found lots of firing miniature cannons. Some fired black power; others gas. The price range was all over the board depending on the size and materials. I also saw a gross pic of someone's severed finger, so be careful if you decide to shoot it. Neat item, Breezie

 

[timekiller]

Not much to add.............but to say it's a signal cannon.I use to have one myself a few years ago.I always enjoyed loading it up & making some noise. The one I had shot a 69cal ball of lead.
Take Care,
Pete,
These two sold for $600 17inches long & 7 1/2inches tall.