Stamp: Bulgaria, Sofia National Theatre issue, face value 50 stotinki. The stamp depicts the neoclassical facade of the Ivan Vazov National Theatre, framed by two tall, slender trees, part of a series highlighting major architectural monuments. Issued in 28.11.1948
Postmark: Circular date stamp — “СОФИЯ / -2.V.48 - 8 / SOFIA”. The cancellation originates from the capital city, Sofia, and is dated May 2, 1948. The cancellation is contemporary with the period of issue.
Postcard: Real photo antique postcard depicting a wide-angle view of the Sofia National Theatre (Naroden teatr). The monochrome photograph captures the building's grandeur, including its monumental portico with six columns and the surrounding public square with pedestrians. The lower margin includes titles in Bulgarian (СОФИЯ - Народният театър).
Concordance:
Thematic: Excellent thematic concordance. Both the stamp and the postcard illustrate the same specific building: the Ivan Vazov National Theatre in Sofia. The visual representation on the stamp is a direct artistic interpretation of the architectural reality shown in the photograph, ensuring complete thematic identity.
Geographic: Absolute geographic concordance. The building depicted is located in Sofia, the postage stamp was issued for use in Bulgaria, and the postmark originates from the Sofia post office. All elements are tied to the same specific urban location.
Temporal: Strong temporal concordance. The cancellation dated May 1948 occurs less than a year after the stamp's initial release in November 1947. The postcard is of a contemporary style, reflecting the architectural and social environment of the mid-20th century.


