AUNMAS Rustic Wedding Card Box, 25 x 20 x 18.3cm Wedding Card Box Wooden Wedding Card Post Money Vintage Box with Lock Keys for Birthday Wedding Receptions Baby Shower Party Collection

This may not be expensive but it’s not suitable for the job. It’s not big enough for normal size cards, they would have to be fairly small. The screws are too long and come through the other side and the lock was broken. So I would say don’t bother with it.