If you want it to be effective you need to concentrate on the “safe” aspect rather than the “pleasing piece of furniture” side of things.
That being the case, you should consider a refurbished safe (new locks etc) from a reputable company like these chaps:
http://www.associated-security.co.uk...ionedSafes.php
Even if you had a massive collection, you could source a huge safe for a few thousand —- if you had the room —- which might house a glorious, bespoke winder.
Haywood