DC Boutique?

[al-f]

Hey folks,

Just wondering what these 'DC boutique' editions are?

Like this one:
https://www.ebay.com/itm/33399490054...p2047675.l2557

Looks like just foil versions but, where do they come from? Some convention? Is there a list of which titles are (or will be) available?

Thanks

[al-f]

gentle *bump* in case anyone knows about these