This patch
is 3 inches in diameter. There is yellow trim on the outside. In a blue circle with yellow lettering is 4TH NATIONAL INSULATOR SHOW / HUTCHINSON, KANSAS. A green CD 269 "Jumbo" is in the center of the patch with the date "1973" underneith it. The center background is yellow.
History:
This patch was made for the 4th National Insulator Show, Sale & Convention held in Hutchinson, Kansas on July 7-8, 1973.