CCCVII

CCCVII is a Roman numeral representing the number 307. In Roman numerals, C equals 100 and V equals 5, I equals 1. The value is obtained by adding CCC (300) and VII (7), giving 307. This form uses additive notation, without subtractive combinations like IV or IX.

Historically, CCCVII could denote the year 307 CE in inscriptions or historical texts. It is also used in modern contexts as a catalog or edition marker that employs Roman numerals for stylistic reasons or to indicate sequence, such as volumes, chapters, or page numbers.

In addition to dating, CCCVII appears in various forms of labeling and documentation where Roman numerals are preferred for branding or tradition.