On 6 April 2011, a single page from the Shahnameh of Shah Tahmasp (The Houghton Shahnameh) of which Weich was the leading scholar, was sold for 7.4 million pounds ($12 million).
Pada 6 April 2011, sebuah laman tunggal dari Shahnameh Shah Tahmasp (The Houghton Shahnameh) yang dikoleksi saat Weich menjadi sarjana utama, terjual 7.4 juta pound ($12 juta).