Tesla Owners in South Korea Conduct First Tests of Company's CCS Combo 1
I think the point is that when the CCS1 adapter launched in South Korea it was 299,200 won or $255 USD at the time. So I think $250 USD (equivalent) was the launch price Tesla always planned. Back then exchange rate worked out to around 1170-1200 won to $1 USD.
Due to changes in exchange rate, it is now around 1400 won to $1 USD, which works out to $213 USD. So the difference in USD price now (as opposed during launch in SK) is all due to exchange rate.