The file cover notes: 'Dr Mueller a/c for appl Hamel & Co £11.5/'.
Hamel & Co were lithographers and engravers (Darragh (2023), p. 102).
Please cite as “FVM-60-07-06,” in Correspondence of Ferdinand von Mueller, edited by R.W. Home, Thomas A. Darragh, A.M. Lucas, Sara Maroske, D.M. Sinkora†, J.H. Voigt† and Monika Wells accessed on