Found this while cleaning out the garage... the black plastic piece for putting a license plate on the front bumper (wasn't needed here in FL) new in plastic bag complete with two screws. This was from a 2016 but I imagine it would fit any 2011-2017. Any leafer who can use it PM me and I'll mail it to you.
White 2012 SV delivered 10 Dec 2011 returned 25 Nov 2014 replaced with stopgap ICE Sentra
[35 months] [35K miles] [9 Bars]
2013 Volt replaced after 36 months/30k miles with ICE Rogue
2016 SV-adjacent May 2016 lost 4th bar March 2018