CH 1867 Helvetia assise perforated white paper 28+30b (20+22c) 11 cents folded letter from Oberentfelden to Meisterschwanden

Switzerland 1867, Helvetia assise perforated, whtie paper, 3 x 2 Rappen gray (SBK 28, Michel 20) and 1 x 5 Rappen yellow-brown (SBK 30b, Michel 22c), total 11 Rappen, on a decorative folded letter (proclamation note) from Oberentfelden to Meisterschwanden, with blue additional cancellation of "Pfarramt Entfelden Ct. Aargau", cancelled "OBERENTFELDEN 28.V.1871", on the back transit cancellation Aarau 28.V.71 and Fahrwangen 30.V.71, marriage announcement certificate "Ehe-Verkündungs-Schein" in very good condition, properly cancelled and very decorative.