Poland Meter Stamp Type GD4A

Poland · 2009 · 0.50 zł

A rectangular meter stamp featuring 'POCZTA POLSKA' at the top, a '0.50' denomination, and a machine-readable barcode on the left. It includes a circular cancellation mark with a date and city name, likely Warsaw.

Meter stamps represent a shift in postal services towards automated franking for bulk mail, offering efficiency for businesses and reducing the need for adhesive stamps. This particular type was in use in Poland during the early 21st century.