it's pre-digital lettering meethinks

De Koninck looks like a beefed-up Copperplate.

You probably won't find the "D

You might want to check these scripts at Letterheadfonts.

And personally I quite like Bitstream's version of Mandate.

http://www.fontdiner.com

http://www.fontdiner.com/menu_ifm.html

Actually that's an excellent suggestion, dear neighbour. And
Stuart will think so too.
(frantically looking left and right in an effort to try to identify
which neighbour)