This is a rare 1955 Plastic, likely bakelite from this era, Ukulele, which was Premium Cereal Offer From Dr  Jackson Foods Limited, in Canada.

The original box is present with the Mailing Label still affixed, dated Nov 25, 1955.

The Ukulele is in great condition and still plays, there is one tuning key missing in the back, otherwise complete.  It's the full professional Size at 21" long.

See pictures for all details, comes exactly as shown in the pictures. Please ask any questions in advance if purchase, I'll be happy to answer if you have any. Great rare premium item from 66 years ago.