Hi I couldn't find the original post where someone suggested these 'see through' display cases I ordered one as the total price was only £2.46, that's cheap and only took a week or so to be delivered   https://www.ebay.co.uk/itm/Clear-Jewelry-Suspended-Coins-Floating-Display-Case-Stand-Holder-Box-Easy-Use/401583769951?var=671323075232&hash=item5d8042095f:m:mLoRTm8z-VjALYsfobIU2Ow   I bought the 90 x 90 size this will hold a 70mm dia tsuba   What I didn't realise that it is ideal for