Dearest, dearest Liszt,
Pray let me have the letter to Erard for which I asked you concerning the piano.
More after the concert.
Source: Project Gutenberg eBook #4234, Correspondence of Wagner and Liszt — Volume 2, No. 177
Wagner's Letters
Richard Wagner to Franz Liszt
Undated · London
Overview
Wagner asks Liszt for the promised letter to Erard about a piano, promising more after his first London concert.