Vintage Burgandy Italian Leather Pumps Size 8

Made in Italy. Guido Pietracci from the 1990's? Found these at an estate sale in excellent condition, but they do need new heel caps. Beautiful sculpted leather design with a comform pad insole. 4 inch heel. Not sure how to value these since the designer doesn't seem to be around anymore so I'm pricing them quite low considering they are an all leather shoe and sole.