Cracow, Biskupia 14.
Most Honoured Professor,
Please be so gracious as to send me, as soon as possible, certification of my collection, in the summer of 1948, of a fee for an article entitled ‘Remarks concerning the relativity of values’, amounting, to the best of my recollection, to 11,000 zlotys. I need this for the tax authorities.
I attach expressions of true esteem