Issued by Romania in 1965 to commemorate Ziua Marcii Postale (Postal Day), this 1.75 Lei stamp features a beautifully engraved carrier pigeon in flight, symbolizing the historic role of birds in communication. To the left is a post horn with an envelope, representing the evolution of organized postal services. Printed in shades of green and brown, the design combines tradition and modernity. This issue highlights Romania’s celebration of postal heritage and communication history, making it a valued thematic piece for collectors of postal history, birds on stamps, and Romania commemoratives.