personal
computer
videomovies (amateurial movies - film cutting - etc.)
music
(rythm & blues - jazz - etc.)
action/adventure
books (Wilbur Smith), thrillers, etc.
stamps
(Italia - Vaticano - S.Marino - SMOM)
collection
of mineral and fossil samples
collection
of ashtrays
collection
of matches
chess game
organization
of amusements and games