G7 clover was on the stand
Source: 152Eu
File: 171018_1627_152Eu_G7.root

Resolution check for 1408 keV peak

         FWHM(keV)  Mean (keV)
G7Black    2.88     1407.2
G7 Red     3.06     1406.8
G7 Green   2.81     1407.0
G7 Blue    2.93     1406.5