'Twas on a Tuesday afternoon...

that I picked up a shadow box with glass (my main criterion, as an anti-dusting measure), and altered it using a French crochet mat and a Chinese button.

And here it is on the side of our chimney breast, housing a very eclectic set of collections - sharks' teeth collected on a US beach, Native American arrowheads, Roman coins, a Napoleonic rifle flint (British, don'tch'know) mother of pearl buttons, a flapper's sequinned star...