Workshop history https://asiamedals.info/threads/orders-made-by-halley-octave-lasne-paris.28433.
Privately-comissioned full set made for the Khedive of Egypt around late 1870s/early1880s /he was awarded Black Eagle order on December 30, 1868/. See also...
french-made prussian order of black eagle
hoherordenvomschwarzenadlerhoherordenvomschwarzenadlerhalley
order made by halley octave lasne paris
order made by octave lasne paris
prussian order of black eagle
prussian order of black eagle breast star
prussian order of black eagle made by halley