Here are 13 x stamps from Mozambique. The oldest is a 1912 issued Company of Mozambique 2 1/2 centavos

and I have written two figures for year issued on the  backing (see photos) 12 are used with cancel stamps  

One 1963 stamp 1st stamp 2nd row is Mint never hinged with original gum back which I have tried to show with the sun shine reflecting off the gum