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may be a tad on the heavy side tho.

Oh my Neil.
You have just opened another can of worms for the germophobes:)
Little do they realize that within thier precious 100 yr old bone scaled razors lurks blood and nerve residue.
A petrie...

Good info John.
What your seeing in bone (holes) is actually the vascular system (arterys and veins) as bone is/was, living tissue.
Ivory is not.

You can Buy Narwhal no prob,$150.00/inch,How much would you like:)

This is Walrus,the inner grain looks like tapioca,is amazing material.
http://i22.photobucket.com/albums/b328/spindlecone/WAlrus001.jpg

Sorry, my bad,if you polish yours to a higher degree and rub in mineral oil the grain if present will be more defined like sharptonns above.Yours look like ivory and are thin like vintage scales,most...

Not Bone,might be ivory,hard to tell,unusual pinning for Ivory scaled razors.
Maybe a re-scale.

Actually,seeing a crack at the wedge end is atypical.IME

Correct, is very simple to tell the diff between Mammoth and african.

You will never see the Schreger Lines (cross hatching) on scales,only from an end cut view,scales are cut along the lenth of the tusk section and the cross hatching becomes wavy lines.
As above,...

Post a pic taken in natural sunlight,the diff between ivory and bone is very apparant.