| 摘要 |
A display device, comprising a clear-front envelope formed by foldable blank including at least one backing flap folded around a viewing window and leaving an opening for receiving the planar displayed item, such as a photo; postcard; etc. The opening is at least partially closed when a sealing flap integrally formed with said foldable blank is secured to the backing flap. A support flap integral with the sealing flap, the support flap configured to fold at fold line adjacent to the backing flap and having an end for resting on a horizontal surface to support the clear-front envelope at a viewing angle to the horizontal surface.
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