Last year, I was able to have a quick chat with Invader.

I'd been interested in hearing his thoughts on the paradox resulting from his Invasion Kits having increased significantly in value over the years: The kits kept sealed are more desirable to collectors than those where the packaging has been opened and the tiles are cemented to walls or just framed. In other words, the active and more visually-appealing way of promoting the invasion is now, in effect, financially discouraged.

An easy comparison can be made with comic book collectors who keep their rare, sought-after first editions in archival conditions instead of reading and enjoying them as regular comic books.

Invader's response was that, for him, the kits are conceptual pieces — rather than artworks in the traditional sense necessarily intended to be exhibited. The importance lies in the idea, more so than the visual presentation of the idea.

In this respect, Invader had no issue with Invasion Kits being left intact as complete kits, sealed and unviewed in a drawer. He felt such a decision by collectors, and different way of appreciating the kits, was just as valid as removing the assembled tiles from their packaging and hanging them up.

It was a perspective I had not previously considered.

12 to £1500 don't come up much

pest control ? check out ok ?

Proper. I have one of these myself but it's still in the shrink wrap and the OCD in me won't allow me to set it up.

Congrats on the sale, I imagine it went for more than I would have paid to thrash it anyway.