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Yes it is.

I believe horn scales shrink over time as well. They may have been the right size at some point, but no longer.

The blade is already out of the scales. I've been itching to use some striped...

I got this off ebay for $18. Just arrived in the mail. Its somewhere between 13/16" and 7/8" depending where you measure. The spine is about 1/4". As you can see it is almost a full wedge.

Here...