1. Open "My Collection" — From the top menu, click on "My Collection" to access your personal banknotes.
  2. Select a Country — Choose the country of the banknote you'd like to edit.
  3. Choose the Banknote — Scroll down and click on the banknote you want to update.
  4. Click the Edit Icon — In the banknote details page, click on the Edit icon (typically a pencil).
  5. Fill in the Details — A form will appear. You can add or update quantity, notes, grade, purchase source, or any other personal details.
  6. Click "Change Picture" — To upload or replace a photo, click the "Change Picture" button.
  7. Select Your Image — Choose a front or back image of the banknote from your device.
  8. Edit Image (Optional) — Adjust or crop the picture to fit the required display area, then click "Save".
  9. Click "Update Item" — Scroll to the bottom and click "Update Item" to apply the edits to your collection.