[SunkenCiv]

Voyager pics from 1981 show the icy surface as quite shiny, e.g.:

http://www.nasa.gov/mission_pages/cassini/media/cassini-010705.html

http://www.nasa.gov/images/content/105007main_pia06167-330.jpg

and:

http://www.nasa.gov/mission_pages/cassini/multimedia/pia11690.html

http://www.nasa.gov/images/content/411065main_PIA11690-516.jpg

and an animation made from all eight 1981 V pics:

http://www.solarviews.com/cap/sat/viapetus.htm

[TheOldLady]

Thanks for all the links, Civ.