A letter typed in Kerandin, Daik-Lingga and sent to Engkoe Mohd. Chalid via Singkep Tin Exploitatie Maatschappij (SITEM) in Singkep. Above the signature of Heng Lie Chang is a seal of Ban Seng Bie Sagoe Faberik, Kerandin, Lingga. Paper folded a few times, with damage on the folds.