Here what to check when you can see a record which your peers can't.
- Check your Module permissions
- Check your User Role
- Are you on the same role as your counterpart?
- Check if option: Data shared with peers is checked on?
- Check the profile you belong to
- Do you have the necessary profile permissions
- Check your Data Sharing Permissions
- Is it set to Private / Public / Public Read Only?
A straightforward reply to your question: Do you have the necessary "User Permissions"?
To learn how to set your user permissions and check the above click here.