[lemma=inscription] [tag=VBD] [lemma=□] □
[lemma=inscription] [tag=VBD] [lemma=clean] □
[lemma=inscription] [tag=VBD] [lemma=at] □
" The same gray patina is found also within some of the letters , " he wrote , " although the inscription was cleaned and the patina is therefore absent from several letters .