Your sentence sounds like the beginning of a story or post. If you want it written clearly and correctly, you could phrase it like this:
Example:
“My mom found this item in my dad’s drawer, and it immediately made us curious. At first, we had no idea what it was or why he kept it there. It looked unusual, and none of us had seen anything like it before. When we finally asked him about it, the explanation surprised us.”
If you want, you can also send the picture of the item, and I can help explain what it might be.
