Could I (or anyone on these forums) bring these back to shaving quality?

#1: http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=018

#2: http://cgi.ebay.com/ws/eBayISAPI.dll...MEBI:IT&ih=025

Also, could I chuck the blade on this (#3) and salvage the scales?

#3: http://cgi.ebay.com/ws/eBayISAPI.dll...MEBI:IT&ih=006