UNIQUE
Binary cards
INV 1175 BROWN & BIGELOW c1968 Binary Playing Cards

53/53 (or 54) [+1] cards | 89x57mm | advert. deck "Honeywell"
Other cards with only numbers, letters, symbols
INV 1396 BERLINER c1985 Bridge Poker Digital Günter Hädeler

54/54 [+1] cards | 89x57mm
INV 1402 DAL NEGRO 2005 Carte Ventine

84/84 cards | 88x63mm | original box "Carte "Ventine" [attached to the book "Matematica con le carte da gioco", Centro Studi Erickson] | VZ
INV 1795 USPC 2022 Index Only

54/54 [+2] cards | 89x63mm | original box "Bicycle Index Only" | BY.80.10
INV 1400 [—] ? Ante

54/54 [+1] cards | 127x38mm | advert. ace of spades & Jk "Umbra" | original box "Ante Playing Cards" | made in China | BY
INV 1398 COPPENRATH [URBAN & GRAY] ? Zockerblatt Josua Rieber

55/55 cards | 90x60mm | original metal box "Zockerblatt"
...with 7 suits
INV 1981 WINNING MOVES 2011 PokerCarré

49/49 cards | 87x51mm | original box "PokerCarré" | rules | scorecard | VZ.80.10
Other
INV 2288 USPC 2018 Grid. Series Two Luke Wadey

54/54 [+1] cards | 88x63mm | original box "Grid. Series Two" | BY.80.18
INV 2667 [—] ? Caballero
54/54 cards | 88x56mm | advert. back & damaged box "Caballero" | HN.80.05
INV 1191 BROWN & BIGELOW [STANCRAFT] 1979 Split Deck

54/54 cards | 89x57mm | original box | leaflet
INV 1401 FRANCE CARTES 2005 Claude Closky

54/54 [+1] cards | 84x55mm | original box "Mudam Playing Cards [...] Opening of the Musée d'Art Moderne Grand-Duc Jean [Luxembourg]" | DR
INV 1528 STANCRAFT [HOYLE] c1961 Liars Poker

54/54 cards | 89x63mm | original box "Liars Poker | leaflet © 1961
INV 1912 [WOLF] ? Lincard

49/49 cards | 88x58mm | original box "Lincard" | leaflet with 8 games
Games with 'hidden' suits and progressive value
INV 1915 GAVITT ? Gavitt's Stock Exchange

33/33 cards | 88x63mm | original box "GSE. Gavitt's Stock Exchange" | rules & promotional leaflets
Calendars
INV 1435 WADDINGTON 1985 Games & Pastimes

54/54 double-sided cards | 88x63mm | "1985. Games & Pastimes. Playing Card Calendar"
INV 1436 WADDINGTON 1988 Worshipful Company of Makers od Playing Cards

54/54 [+1] double-sided cards | 88x63mm | "[1988.] Playing Cards [Calendar] of the Worshipful Company of Makers of Playing Cards"
History of playing cards (and card games)
INV 2541-42 OTK 1969 Hráči Karty - karetní hry

108/108 (2x54) cards | 177x115mm | original box "Hráči Karty - karetní hry" by V. Omasta & S. Ravik | 210 numbered "pages" [+3 unnumbered] with Czech text (front/back) & english indices | VZ.80.30
INV 0323 ASS [BI-ASS] ? Storia delle Carte da Gioco

36/36 cards | 150x97mm | numbered copy [#331] | original box "Storia delle Carte da Gioco" | VZ