AMS Greeting Card Conservation Mounting AMS Greeting Card Conservation Mounting from Michael Porteous AMS Greeting Card Conservation Mounting Attached greeting card to acid free mat board substrate by creating a hinging system with Japanese tissue and wheat starch paste. gLike AMS Greeting Card Conservation Mounting Attached greeting card to acid free mat board substrate by creating a hinging system with Japanese tissue and wheat starch paste. Photographic Styling Share R 7 n Michael Porteous Museum Professtioal Ottawa, Canada Follow Contact