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Thanks all,Statkowski wrote: Instructions or special messages were posted on tack boards (a small, metal-framed wooden board on which such things could be stapled, or tacked). "DO NOT HUMP", "OPEN OTHER SIDE" or other such instructions were usually placed on the tack board. For REA cars it could be the car's destination.
Update:nhhe52 wrote: He said he was modifying the Walters cars, to what extent I'm not sure. Considering the $25-$35 price range most likely it will be "close enough" as opposed to an exact replica.