A box of ten A5-sized Christmas cards; two each of the first five days of The Twelve Days of Christmas, comprising A Partridge in a Pear Tree, Two Turtle Doves, Three French Hens, Four Colly Birds and Five Gold Rings.  'Colly' or 'coal-black' is the older English wording, for which we now say 'Four Calling Birds'. Supplied in a box, complete with 10 white envelopes.