בראשית מג:כא פירוש: ספורנו וRav Hirsch

כספנו במשקלו, not only the same amount of money, but the identical coins which we had brought here. This is why we did not think that there had been a mix up with other people’s money.

ונפתחה, wir öffneten ganz arglos, ohne etwas zu ahnen.