Strawberries by Eloise Stannard 1829-1915. England
Turn it right side out, and hand sew a loose gathering stitch around the circular top edge, with thread knotted at the end.
Here is another way of making a teacup warmer: first, fold a washcloth into a triangle.
With the folded edge on top near the cup rim, slip one pointed end through the handle, and then the opposite end over that, through the handle and pull snugly close to the cup. This is nice for cold mornings, especially if you like to use thin teacups. Remember to warm the teacup by filling it with warm water, while you are preparing the tea, so that you do not put hot tea in a cold cup.
This is the first day of the month. I know someone who celebrates the first day of every month.