-About this model penco Wall Board Calendar A4 The 2025 edition of penco’s original calendar is here! With its stylish A4 size, it’s perfect for wall display and pairs seamlessly with separately sold clips or the penco Clipboard O/S. The year-at-a-glance page at the back can also be used as a poster—feel free to detach it to suit your style. This edition is sold as a standalone calendar, making it a great choice for those who already own a clipboard. Mterial: Paper Period: Monthly: January 2026 to December 2026