Usage Of the widest possible variety of philatelic elements consistent with the theme. Commercial usage of the philatelic material, other than stamps, is preferred where it exists. The write-up is the minimum essential to conveying relevance of philatelic material to the theme and answering questions the material, itself, raises. The material goes beyond that which is most easily available for the theme. All materials stand out.
Exhibit is balanced and encourages the viewer's attention.
New conclusions on the theme or individual items included are reached and properly stated.