Four different examples have been located of her potters mark. In three she used a variation of her name or initials in a free hand style on the bottom rim or within the bottom are using - Joyce Champion, PEI or djc PEI, Joyce PEI. The fourth is a mark using a block of printers type with the words JOYCE CHAMPION.
She tended to work in stoneware and was skilled at throwing large vases and working a variety of clay bodies.
Gary Carroll, a Charlottetown collector and researcher has provided copies of her business card.