Pretty much every vintage runner we own is one that we have ordered online, never having seen them in person. Generally, we’ve had great luck. But it’s always kind of a gamble because you can’t fully trust a photo to show you what something truly looks like in person (especially under the specific lighting conditions of your space versus theirs – plus your computer monitor’s brightness can alter things too, etc).
It might arrive and look darker in person. It may be a bit more worn when you actually lay eyes on it. The colors may be a smidge yellower or grayer or whatever. But as long as you understand that up front and are willing to adjust your expectations and stay flexible, we generally think buying secondhand rugs online is a GREAT OPTION. We’ve used that method to buy a big area rug for the duplex master bedroom,