That will take some time to evaluate, but I can tell that 寝台特急 error products in good condition are very rare. I once had a C58じょうききかんしゃ with middle wheels facing the opposite way, though I'm not sure whether the wheels were ever removed by the seller before as it was a junk item.
Talking about the C58じょうききかんしゃ, 1972 C58転車台プラレールセット is definitely one of the rarest sets and I should include that in. I have seen more 弁慶号プラレールセット than C58転車台プラレールセット lately, and feels like C58転車台プラレールセット is fading away faster than my mind can keep up to the newest trends.
