3 Kop rose red, 7 Kop sienna Romanow-dynasty 1913 on small-format registered letter during of the WW 1 used from St. Petersburg (?) to Geneva, cancellation: two mute six ring cancel ( = Tarn Measure during of the War), violet oval censorship stamp VOSKRITO VOENNOY CENZUROI and violet censor paraphe (both St. Petersburg), stamps margin of sheet as provisional closing slip of paper used, good condition