Vatican City Souvenir Sheet Lot - 1982 Gregorian Calendar & 1983 Papacy and Art

• Top Three Sheets: "The Vatican Collections: The Papacy and Art - USA 1983." These were issued to coincide with the Vatican's first-ever major art exhibition tour in the United States (New York, Chicago, San Francisco).

• Bottom Sheet: "Riforma del Calendario Detto Gregoriano" (Reform of the Gregorian Calendar). Issued in 1982 to mark the 400th anniversary of the calendar we use today, introduced by Pope Gregory XIII in 1582.

• Condition: Describe them as "Used with Original First Day of Issue Postmarks." * Design: Mention the classical art and sculpture themes, including the Apollo Belvedere and artifacts from the Vatican Museums.