These are small, cast iron, clamp onto the edge of the work bench & are not bolted to it. One has the name cast into it, "P.V. Co. N.Y. 152" & has an anvil area. The other does not have any name. Both are in good working condition, move freely & have been sprayed with lubricant.
The google overview states:
P.V. Co. N.Y. stands for the Prentiss Vise Company, a highly regarded American manufacturer of bench vises, machinists' tools, and blacksmithing equipment. Established in 1873 in Montour Falls, New York, the company maintained a prominent sales headquarters in New York City (often noted on tools and catalogs as "N.Y.") while operating its primary foundry and factory in Watertown, New York.
If the ad is up it's available. Asking if it's still available will be ignored.
Located near the Mid Valley Mall & Firestone in the Town of Newburgh, NY.