<a href="//commons.wikimedia.org/wiki/Category:Postmarks_of_Switzerland" title="Category:Postmarks of Switzerland">Postmark of Switzerland</a>: “7000 <a href="//commons.wikimedia.org/wiki/Category:Chur" title="Category:Chur">CHUR</a> / <a href="//commons.wikimedia.org/wiki/Category:2018-07-25" title="Category:2018-07-25">25.-7.18-18</a> / <a href="//commons.wikimedia.org/wiki/Category:Alte_Kaserne,_Chur" title="Category:Alte Kaserne, Chur">KASERNE</a>”.
La Posta svizzera SA
Self-scanned