Registered cover fr. with 10κοπ. Russian Levant in strip of 3, canc. "Ρ.Ο.Π.ηΤ.*ΑΘΟΗb*1 RHB.1900" & cachet of the Russian Hermitage, trans. "Ρ.Ο.Π.ηΤ.*KOHCTAHTNHOΠΟΛb*28 RHB.OO", arr. in Russia & return "Ρ.Ο.Π.ηΤ.*KOHCTAHTNHOΠΟΛb*6 RHB.00", arr. "Ρ.Ο.Π.ηΤ.*ΑΘΗΟb*8 RHB.1900".