h 3160 px

NPG (Neue Photogr. Gesellschaft,
Berlin), A-Z, Series 195.
    
abc25    Y, France, 1905
h 3192 px

NPG (Neue Photogr. Gesellschaft,
Berlin), A-Z, Series 195.
    
abc26    Z, Germany, 1904

h 3192 px

Rotophot, Berlin, serie 203.
Of course, there were many
more ABC postcards.
      
abc27    I, Romania, 1904
h 3240 px

No mark, ser. 349.
    
abc28    J, Netherlands, ca 1905 [no stamp]

   
h 3224 px

No mark, nr 377/22.
    
abc29    W, Netherlands, 1904
h 3160 px

No mark.
    
abc30    Y, Netherlands, 1913