PBS1 年
Document Examination
To determine authenticity and authorship. It is virtually impossible to pinpoint the age of an undated document, but there may be clues to the era. If it is a printed piece - say a greeting card ...
PBS2 年
Document Examination
To determine authenticity and authorship. It is virtually impossible to pinpoint the age of an undated document, but there may be clues to the era. If it is a printed piece - say a greeting card ...