three o'clock
Then with mock solemnity he reached into his pocket and pulled out a lavender envelope ; lavender crossed faintly with gray lines to give a checked effect . It was addressed in purple ink to Miss Mary Ware , and in the lower left-hand corner was written , with many ornate flourishes , `` K. O. B. '' It smelled so strongly of rose geranium perfume that Mary sniffed disapprovingly as she took it . `` Pink asked me to bring it , '' said Norman with a grin . `` He 's to send a boy up for an answer at three o'clock . What do you suppose ` K. O. B. ' stands for ? '' Mary puzzled over it , shaking her head , then broke the large purple seal . `` Oh , it must mean ` kindness of bearer , ' for he begins the note that way .