This might be a bit of an odd request, but are there any (preferably Midtown) Hilton Honors properties that have a "special" key card? I save the unique ones... over the years the few Hilton ones I've collected in Manhattan include the Conrad New York, London NYC, Conrad Midtown, Waldorf Astoria & Waldorf Astoria Towers.

I've also never stayed at a Tempo, Tapestry or Motto. Do they hand out the regular pink or blue Hilton key cards, or are those cards branded differently?