A look at what is currently available on eBay

Knipex 8603300 12 Inch Adjustable Pliers Wrench
US $61.99

Vintage, RARE, Plumb 4-inch Adjustable Wrench.
US $36.08

Vintage Wright 8 Inch Adjustable Wrench
US $4.99

JH Williams USA Vintage Adjustable Wrench 8 Inch- Nice Condition
US $4.00

1907 CRAFT SPRING ADJUSTABLE WRENCH 10 3/4 Inches LONG, ALL STEEL [...]