The photograph is dated 1918, with the following message written on the back:
“With dearest love and kisses to our darling Daddie from your loving little daughter & Sonnie (?) Dora & Glyn”
A further line says "taken on baby's birthday March 4 1918, one year and five months old"
"During the last fourteen months we had been hopeful that the search would result inhim being reunited to his family" said Bristol Airport's Jacqui Mills.
"We have not been successful in this search and have drawn a blank".
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The latest Barometer poll gives voters' assessment of the party leaders in Wales and the four candidates in the Labour leadership contest.
Party support has changed little since May’s election, leaving Wales on course for a National Assembly with a significant UKIP presence.
As far as temperatures go, it's going to feel pretty uncomfortable out there tonight - warm and muggy with mist patches in places.