Stacy Michelson Grumpy Coffee Pin Stacy Michelson $ 10.00 Default Title - $ 10.00 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. It's not always easy waking up in the morning, but luckily Grumpy Coffee feels our pain. Original design by Stacy Michelson. Grumpy Coffee Pin 1'' tall, outlined in gold metal with rubber back Stacy Michelson is an artist and designer known for her adorable characters that are loved by people of all ages. She is based out of her magical, Los Angeles studio.