How much is a 1980 stamp book from the sede vatcane is worth today?
It will depend specifically an what you mean by a stamp book. Is
it a small collection of stamps issued in 1980? Is it a small
collection sold in 1980 with stamps from different years? Is it
simply a book about the stamps?
The catalog or purchase price of stamps can be found by
consulting a catalog, usually available in the reference section of
your library. Selling is usually at 25% of that price.