Opera Stamp Collection - Lot of Opera-Related Collectible Stamps and FDCs

Interesting, unique stamp collection of opera-related stamps from various European countries, all mint or attached to envelopes, some of the FDCs (first day covers). 

Included are 11 full stamp sheets issued for the Teatro La Scala, Milan bicentennial in 1978, one sheet from Austria celebrating the Vienna State Opera centennial in 1969, 18 envelopes with stamps (some FDCs) from various European countries and one from Japan, 4 postcards with stamps and first day ink stamp, and some lose stamps.

A nice, rare type of collection, in excellent condition. Sold together as a lot, not sold separately.