I found a post on GardenWeb with this list of sold out Palatine roses two days after the ordering process began last year:
SOLD OUT roses (12pm PDT 9/11/2019): Augusta Louise, Barock, Belle Sans Flatterie, Biedermeier Garden, Black Caviar, Bullata, Butterfly, Chartreuse de Parme, Dainty Bess, Duchesse de Montebello, Edgar Degas, Emma Haftl, Garden Sunshine, Great Maidens Blush, Grimm Brother Fairy Tale, Gros Choux d'Hollande, Kazanlik, Larissa, Mme Pierre Oger, Our Anniversary, Queen of Denmark, Reine de Violettes, Sidonie, Skyrocket, Sunbeam Veranda, and Westerland.