If you are going to mock one up for a production or something, you can use this website (top link) to type in your date and it will give you the days and months of that year.
If you want a facsimile, Dover Books may have something - (second/ third link) some of these royalty free Victorian pics are taken from calendars of the time -
Have also found these thumbnails of child illustrations from Victorian calendar - (4th link)