2 Sgr. blue, full till mostly large margins horiziontal pair as an additional franking on 1 Sgr GSU. (Variety: to the left inclined value cancel!)with two clear Vierringstempeln "993" together with Ra2 "NAUGARD" as a registered letter to Stettin on the left and on the right envelope a little shortens as well as on the reverse pulled down and two adhesive tape traces, despite the envelope defects in form on hand a rare document!