Philately is one of my hobbies. Most of my stamps is indonesia's
stamps. There are many advantages, we can know history from stamps because
they are printed with picture that describes the government program that
time, example in 1966
"Directorate General Of Post And Telecommunications Republic of Indonesia"
now Known as PT. POS INDONESIA
.
puslish stamps "Hari Bahari Indonesia"
series.From that stamp we could know that in 1966 Indonesia celebrate marine
days.
This is my best stamps 
This stamps was made to celebrate The 100th anniversary of "One
Hundred years stamp in Indonesia"
