This looks familar

[mojjax]

I think there was one posted here a while ago , but I can't remembered if it got ID'ed or not .

 

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[johnnyi]

Just guessing..glass cutter?

 

[thrillathahunt]

yep.

 

[traderoftreasures]

maybe old screen spline tool

 

[AU24K]

Maybe an old cloth cutter for cutting out patterns for making clothes?
Scott

 

[terryo]

I'd go with glass cutter , too...but it is a unique shape, I've never seen one like it!

 

[Woodland Detectors]

100 percent. That is a nice one too...I see way too much of those durring the summer months!

 

[Carson Coin Master]

an antique pizza slicer!

 

[One mans trash...]

Gee. I don't know. Once my pizza gets so old that it's an antique, I don't much care about cutting it anymore.