Antarctic Treaty - Penguins

- First Day Cover.

- Stamps and Cancellation depicts "Penguins".

- Cover depict "Maitri - Indian Antarctica Station".

- Setenants Stamps issue.

- Setenants of 2 Stamps were cancelled on the First Day Cover.

- Occasion: "Antarctic Treaty".

- Country: India.

- Date: 23.06.1991.