Yes, your version of semantically adds a new nuance, perhaps, is to file an application for the inclusion of "slipper" in the dictionary as slang auctioneers /antique?
And then it is still officially translated only as "sneakers", "slipper ".
But returning to the subject catalog descriptions, take a look, please, description (if not mistaken) prints, with the estimate: $ 100-200. I understand it correctly, that the artist's signature, too, "is engraved, and the object is not signed by hand?
SALVADOR DALI (SPANISH 1904-1989)
El Cid
etching, Collector's Guild edition
17 x 12 cm (6 5 /8 x 4 3 /4 in.) [Plate size]
signed in the plate upper left