CH 1985 Stamp Day Bern BE, cover cancelled with machine flag 1.11.85 3000 Bern

Switzerland 1985 Stamp Day Bern BE,
official cover "Tag der Briefmarke - Journée du Timbre - Giornata del Francobollo - Di dalla Marka postala - 29. Nov. - 1. Dez. 1985 - Bern-Wittigkofen - Offizielle Karte des V.S.Ph.V.", Illustration Stehende Helvetia,
cancelled with machine flag "1.11.85 3000 Bern 1 Briefversand - BERNA '85 - Ausstellung Stufe III zum Tag der Briefmarke - 29. Nov.-1. Dez. 1985 - Bern Wittigkofen", backside arrival cancellation with machine flag "2.11.85 6500 Bellinzona 1 - Hänsel e Gretel - Fratelli Grimm - 29. nov.- 1. dic. 1985 - Mostra locale di Filatelia - Acquarossa - Pro Juventute - Giornata del Francobollo", luxury conservation.