What is that font?
The font used in The Prisoner is a modified form of "Albertus" (dots removed from "i" and "j", loop of "e" opened).Albertus is available from Monotype in Postscript Type 1 format, in their Headliners 6 type set. The complete font set is expensive; but Albertus Roman is available separately from Monotype Imprints (a division of Monotype), distributed by Letraset. The cost is around $40. Call 1-800-MONOTYPE for more information.
It is also one of the standard fonts on the CorelDraw 4 CDs, and it is a built-in printer font on the HP DeskJet 1200C (and presumably other DeskJets). Albertus is also available in from Image Club Graphics, Inc. (see Personal Publishing magazine). The cost is $75 for 3 styles: normal, bold, and black. Postscript format. Suite 5, 1902 11th Street SE, Calgary AB Canada T2G 3G2; 403-262-8008.
There are two freeware Albertus derivatives, both of which have been modified Prisoner-style. One is by Glenn Fleishman and is called "Furioso"; the other is by Mark Heiman and is called "Village". Both are available via anonymous FTP from dworkin.wustl.edu:/dist/prisoner.