Poland 1973 – 500th Anniversary of the Birth of Nicolaus Copernicus – Block 90 B2 (Error Variety “Red Dot Above EX”), MNH

This item is Block No. 90 B2, issued by the Polish Post to commemorate the 500th anniversary of the birth of Nicolaus Copernicus and the World Philatelic Exhibition “Polska 73” held in Poznań. This is a sought-after error variety known as B2, distinguished by a red dot above the letters “EX” in the word “EXPOSITION”.

The central element of the souvenir sheet is stamp No. 2047 with a face value of 10 zł + 5 zł.

The stamp depicts:

🌞 the Copernican planetary system

📖 an engraving based on Andreas Cellarius' “Harmonia Macrocosmica”

👨‍🔬 Nicolaus Copernicus

🪐 astronomical elements related to the heliocentric theory

The issue celebrates one of the most influential scientists in world history and serves as a commemorative philatelic tribute to the “Polska 73” exhibition.

Catalogue Information

Souvenir Sheet Number: 90 B2

Stamp Number: 2047

Face Value: 10 zł + 5 zł

Year of Issue: 1973

Theme: Nicolaus Copernicus, astronomy, science, philately

Variety: B2 error – red dot above “EX” in “EXPOSITION”

📌 Condition:

✔️ Mint never hinged (MNH)

✔️ Original Block 90 B2 error variety

✔️ Full margins preserved

✔️ Strong colours and clear printing

✔️ No visible mechanical damage

✨ Why this block stands out

🌞 Dedicated to Nicolaus Copernicus and the heliocentric theory

🪐 Astronomy-themed design based on a famous Andreas Cellarius engraving

📮 Issued for the World Philatelic Exhibition “Polska 73”

⭐ Popular B2 printing error variety

🔴 Distinctive red dot above “EX” in “EXPOSITION”

📚 Highly attractive scientific and space-related theme

🎨 Beautiful and detailed artwork

📈 Desirable item for error, astronomy and thematic collections