Royal Navy HMS Polyphemus crew entertainment troupe postcard Oscar Parkes

Original and unique postcard from the archive of Oscar Parkes. THe postcard shows the Royal Navy vessel HMS Polyphemus entertainment Troupe and the image is dated for 1899 . Oscar Parkes was editoer of Janes Fighting Ships until 1935 he was also director of the Imperial War Museums photographic archive . Parkes passed in 1958 . THe postcard is unused and is in v v good condition . Thank you .