Odd stamps : 05 b Stamps in braille

In 1979, Brazil emitted a souvenir sheet dedicated to the blind.

The sheet is very colourful and there's embossed printing.
Reason for this sheet is the 150th anniversary of the first braille printing.
Thanks to the braille writing, blind people can participate in the world's evolution.

Full sheet in braille

detail - stamp out of the sheet

This was not the first braille sheet that was issued in Brazil..
more in my next post...