Tool Identification Request. Does anybody recognize these double open end wrenches? Not much to go off of I know. The other side just has the size markings. They're SAE, 9/16 through 3/4 :
Tool Buffs Identify these Markings Please | Collectors Weekly
Red Chief Mfg. Co. self adjusting wrench, 8" | eBay
vintage
Coes Wrench Vintage Catalog / Advertising | The Garage Journal
Antique wrench | Collectors Weekly
Can you identify these mystery antique tools? - Farm and Dairy
Types of Antique Railroad Tools and Their Values | LoveToKnow
Antique Tools Identification: Types & Value
Identifying trade tools: A beginner's guide
2014 Spring Antique Wrench Auction - York, Nebraska