I still use them for ham radio QSL cards. They work everywhere that is a member ...

		relistan 10 months ago \| parent \| context \| favorite \| on: I wrote to the address in the GPLv2 license notice... I still use them for ham radio QSL cards. They work everywhere that is a member of the Universal Postal Union (nearly all are). You can buy them online from Swiss Post. They will mail them for free. https://shop.post.ch/en/packing-sending/sending-letters/regi...