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Well they're sold now. I hope you got them if you wanted them. They look worth $25 for 4 of them. If I'm not mistaken...life-like is a Walthers sub brand. And the proto life-like might be a premium or higher detailed version. Just my guess....never owned any....but I browse alot of Ebay and other online model train outlets.....day after day........hour after hour.
You might know this already but......getting couplers that are compatible with your existing locomotives and other railcars is key to using and enjoying your new purchases. You can always replace couplers......but I don't have a supply on hand.....so I always make sure I'm getting modern knuckle couplers on stuff I buy.