{London,] 18 March 1873 
122 Regent’s Park Road 
Dear Oswald, 

My very best thanks for the concert tickets you so kindly sent—I 
have managed in the meantime to sell 2 more of the same sort. I 

enclose 10/- for them and would ask you to give them to Pumps.’ 
My best regards to Mrs and Miss Oswald. 

Yours cordially, 
F. Engels