Osta Italia Cover of 1970s Stamps

 

Today, I received this POSTA ITALIA cover from a fellow stamp collector. The cover envelope featured: 

- Four 90 Italian lira stamps of "Completamento Rete Telefonica" (Telephone Network Completion), issued in 1970

- Umberto Boccioni (1882-1916) artwork titled "Woman at Table or Decomposition of the figure of a woman at the table with  a face value of 150 Italian lire, issued in 1975

- Artwork by Girolamo Di Castellana titled "Castellana Caves", depicting. 

 the interior of the Grotte di Castellana, a famous karst cave system in Puglia, Italy. It had a face value of 70 Italian lira, issued in 1977

- "Martyrs of Adreatine Caves" by Francesco Coccia marked the 30th anniversary of the Italian Resistance. The stamp carried a face value of 100 Italian lira, issued in 1975.

-  International Women's Year stamp had a face value of 70 Italian lira, issued in 1975

- Europa Majolica plate stamp had a face value of 150 Italian lira, issued in 1976