I think yours is one of the 'false brown recluse spider' types.
Notice that the 'violin' on the brown recluse photo is dark on light background, and yours has a light 'violin' on dark background.
No, it does not do any harm to say 'I saw this spider which looks like it might be, but is UNconfirmed to be, a brown recluse - I recommend you get a properly trained pest control person out to look at it, shown them this photo too, because the spider may be gone when they get out here.
Brown Recluse Spider
AMNews: Aug. 5, 2002. Convenient culprit: Myths surround the brown recluse spider ... American Medical News