The best stamp to learn to differentiate the 1L1/1L2/1L3 papers is the 50c. and it can also be useful to differentiate the 1E1/1E2/1E3/1E4 papers. ------- El sello ideal para diferenciar los papeles 1L1/1L2/1L3 es el 50c, y tambien es util para diferenciar los papeles 1E1/1E2/1E3/1E4. |