Help identifying shower valve

[hauser7]

Hello all, by any chance would anyone know what brand is this valve? It’s probably original from the building in 1990, had a plumber come by and said that was too old and he wouldn’t touch it so I don't know yet if a cartidge replacement is an option. Ideally valve replacement would be great too. Have scheduled another plumber but he can’t come by till next week.

Thanks!