it is hard to even conceive of a simpler or stronger evidence
It is hard to even conceive of a simpler or stronger evidence of ms. tampering.
On the colouring, you are given The Tale of Two Manuscripts.
1) the 1844 Leipzig CFA 43 leaves left Sinai before the artificial colouring
2) the 1859 St. Petersburg CSP stayed in Sinai until after the colouring
So what do we see?
1) white parchment, all leaves the same colour
2) yellow parchment, yet not a real aged yellow colour like you would have with an aged brittle ms, simply an uneven colouring with lots of staining
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The question we ask is, how could we be given a stronger evidence? Granted, nobody noticed and commented on this from 1860 to today, but then, hardly anybody could see the mss.