XVII - THE CIPHER––––––––
"AND how would the dime help, if we had it?" Iris pursued the subject.
"I'm not at all sure that it would," Stone replied, "but there must be some hint on it as to the keyword. I tried an ordinary dime, thinking the word we need might be 'Liberty' or 'United' or 'America,' But none of those would work. I tried to think out a way where the date on the dime would help——"
"But you don't know the date!"
"No; but I tried to find a way where a date would apply, but I can't think figures are needed, it's a word we must have."
"Words on dimes are all alike," suggested Lucille.
"Yes, but suppose a word had been engraved on this particular dime as these letters are engraved on the pin."
"Aunt Ursula would have been quite capable of such a scheme," Iris averred, "for
