

The Al Maha photograph appears to show an added light-blue panel accommodating a second white symbol. Its white edging is extremely narrow, narrower than the black funnel rim. It may continue around the back, but sunlight makes the light blue appear white there.
As Stefanie M, also written Stephanie M, the vessel appears to carry just the blue symbol on a white band. The September 2007 photograph is distant, however, so light blue and the white part of the device may simply be invisible; the dark part remains towards the funnel’s front.