Actually, your lens is about the price of a decent pertzval on eBay these days!
The convenience of not having to set up a large tripod, pick the correct lens, look at the bellows factor, take out a film holder, being sure it's fresh and then focus and your picture is ready to appear in the darkroom.
This monochrom of yours gives us the feeling of large format, but at much less mental cost and no schlepping at all!
................also you don't have to check how many film holders you have left!
Asher