A51B - A5 - Vinyl 2 Tone Diary male assorted 4 colours. Day to a page (Light blue notes)   A51BF - A5 - Vinyl 2 Tone Diary female assorted 4 colours. Day to a page ( Light blue notes)     Example A47B & A47BF internal pages. Page size 210 x 145 mm --- (H x W) Day to a page (white pages with blue notes)