No.1 consists of  bananas of a yellow variety which have reached a stage of maturity which will insure satisfactory completion of the ripening process.  They should be clean and bright, firm, well developed, and free from damage materially affecting appearance, shipping quality or edible quality caused by scars or other discoloration, decay, disease, chilling, heat, sunburn, sprayburn, chemicals, mechanical or other means.  When bananas are in hands or cluster, the hands or clusters show a smooth cut where detached from the stalk and are free from portions the stalk.  Each hand has 8 or more fingers, each cluster has 3 or more fingers.  Unless otherwise specified, the maximum diameter of each banana shall not be less than 1 1/8 inches, and the length of each banana shall not be less than 6 inches, measured along the line of the outer curve from the blossom end of pulp.