Packaging material with indicium in metallic layer

A method of using a package, the method comprising:

• opening the package, comprising transitioning the bag from a closed configuration to an open configuration, and then viewing indicium of the package while the package is in the open configuration, wherein:
• in the closed configuration, the package comprises a laminate extending around an interior space of the package,
• the laminate comprises a first web and a second web that are joined to one another,
• the first web comprises a metallic layer on a second layer,
• the metallic layer is positioned between the second layer and the second web,
• the indicium is defined in at least the metallic layer,
• the packaging material is configured so that the indicium is visible from a first side of the packaging material, and the indicium is substantially not visible from a second side of the packaging material,
• the first and second sides are opposite from one another,
• the second web comprises ink and a polymer film,
• the ink at least partially defines graphics that are visible through the polymer film from the second side of the packaging material,
• in the closed configuration, the package comprises a seam connecting first and second portions of the laminate to one another, and the seam is configured to at least partially obstruct access to the interior space of the package,
• the first web defines an inner surface of the package, the second web defines an outer surface of the package, the graphics are positioned for being seen by viewing the outer surface of the package, and the indicium is positioned for being seen by viewing the inner surface of the package, and
• the viewing of the indicium comprises viewing the inner surface of the package while the package is in the open configuration.