Entire letter written "Η Διοίκησις της Βασιλικής Στρατιωτικής Σχολής", dated "αίγινα τη 2/14 7ριου 1839", signed "Ο Συνταγματάρχης Ρέινεκ" (Baron Friedrich Eduard von Rheineck 1796-1854). He was the commander of the Greek Military Academy from 1832-1840, being the 4th commander in the history of the Acedemy. Postamrk "ΑΙΓΙΝΑ" (type I), mailed to Athens. Cachet "ΕΛΛΗΝΙΚΗ ΒΑΣΙΛΙΚΗ ΤΟΥ ΣΤΡΑΤΙ. ΣΧΟΛΕΙΟΥ ΔΙΟΙΚΗΣΙΣ". Fine and very rare.