Odd Lead Projectile

I found this odd shaped lead projectile. It reminds me of some type of cutter shape.
The bevels look even so maybe not home-made?
What cartridge would it fit with this diameter?

Weight 167.6 grains. 10.8mm (0.425") Diameter. 15.8mm (0.627") Long.

Any comments are welcome.

I forgot the photos.

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