...four coffins."
And Eastwood, after having shown the correct number by fingers goes to massage his beard.
I always thought the transition from the number to the massage highly unnatural, not in line with Joe's cold-bloodedness. Maybe he took the chance offered by having extracted the hand from under the serape to give a long-awaited relief to his itching stubbles. But more probably he is embarassed by the mistake he made and hurries up to cancel that sign:
http://www.youtube.com/watch?v=JeFpM2OEWPs&feature=relatedI think it would have been more in line with the character and the end of the sequence after having let him show the four fingers, let him put the hand back under the serape or let him light a cigar.