Dated 17/8/1906.
Message on the back of card is:
"135 St. M Road. Arrived here safe about 4 found all well expect we shall be Home Saturday as dad is anxious about the Taties and onions. Love from all I am your fond Mother"
Victoria Barracks was completed in 1886 and demolished in 1967. The private estate Pembroke Park now sits on the site.
https://en.wikipedia.org/wiki/Victoria_Barracks,_Portsmouth
Reproduced with kind permission from Shafeeq Wilson.