We have a spare flag display case, purchased several years ago at Hobby Lobby. It’s all good except for the missing 4x6 photo frame. Maybe you have one that would fit the opening.
Here’s the product description:
Honor a valuable member of your family by displaying their memorabilia inside this Oak 3-in-1 Flag Case. This case features a clear glass front and provides a space for a flag, badges, and honorable pins. There's also space for a photo in the center. Fill this display case with memories, and honor those in your life who serve in the armed forces.
Dimensions: 18.25" H x 25.31" W x 3.38" D
Flag Size: 5 Feet x 9.5 Feet
Photo Size: 4.13" x 6"
Material: MDF & Glass
Shape: Irregular
Color: Oak Brown
Orientation: Horizontal