Notice the tavim (ודבר ת at the begining of the picture, לאו ת ) in Dovids post [a problematic lamed, Saturday]. The tavim have a big problem, the left foot seems to be bent [to the left] outward, because of the way the sofer pulls the kulmus - but in truth are almost a stright line down = kav mashuch. Although it is recognizable as a tav (because the way the foot is presented) still it is more a ches than a tav, and a kav mashuch instead of the left foot. The left foot of a tav has to be bent so there is a opposite head of vav/dalet or as a moshav of a nun, but here the foot is lacking this part of the letter. This is a common problem I have noticed in many ksavim (also ashkenazim!). Note also the vav in לאות - the top of the head is thinner than the guf/regel of the vav, but is clearly seen as a head of the vav, because of the opening slanted line that outlines the panim/face of the letter (as I wrote in a comment on the vavim).