Where a thing specifically bequeathed undergoes a change between the date of the will and the testator's death, and the change takes place without the knowledge or sanction of the testator, the legacy is not adeemed.

Illustration

A bequeaths to B "all my 3 per cent. Consols". The Consols are, without A's knowledge sold by his agent, and the proceeds converted into East India Stock. This legacy is not adeemed.