picked up these two hones at an antique/flea market over the weekend.
would appreciate any identification if possible.

2.0 x 6.0 x 0.75 thick
im assuming coticle here but it has some coloration/pattern within it. smoother to the touch than the 'select' i have. am i also right to assume that the bottom is slate, not BBW. i think - not sure - but it appears to say 'extra choice' something stamped on the surface.

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1.25 x 7.5 x 0.5 think
this is light purple in color with very (very) small silver sparkles all throughout. feels pretty darn smooth.

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any thoughts would be greatly appreciated.
thank you.
-s.