It looks closer to '57 than '62. By '62 the Coldspots were already sporting the "sheer" look and the rounded corners were long gone. It could even be a Seeger-made machine. By '62 Whirlpool was making Coldspots for Sears.
That's a very nice fridge, even though it's not frost free. Worth the price for the shape it's in. I'm a fridge geek too, and if I didn't already have my '57 GE Combination and that fridge was near me, I'd be very tempted.