Cats the Musical Porclean Head Help

Have a 10lb ceramic head of the Lead Player in the musical Cats. On the left ear is signed copyright, 6/88 then the initials JJ then NF then D.N. could be the signatures of cast members. looked all over for information on it, can't find any. Also two Lithos, one of Ringo the Clown and the other is Rolo the Clown, both made in 1979 by Arthur A.K aplan Co, Inc. N.Y.C. F-9761 and F-9762 All items for Sale