No, I think they now and then are sold in that price range (and over) in the US as well. All depending on the condition and I guess the demand might vary some over the years. The following link lists six 1938 Lincoln Zephyr Convertible Coupes sold by Sotheby's in the last 15 years.
https://rmsothebys.com/en/search#/?SortBy=Availability&SearchTerm=Lincoln zephyr 1938 convertible coupe&Category=All Categories&IncludeWithdrawnLots=false&Auction=All Auctions&OfferStatus=All Availability&AuctionYear=&Model=Model&Make=Make&FeaturedOnly=false&StillForSaleOnly=false&Collection=All Lots&WithoutReserveOnly=false&Day=All Days&TimedOnly=false&OneHubLinkOnly=false&InspectionReportOnly=false&AuctionedStatus=All Lots&page=1&pageSize=40&ToYear=NaN&FromYear=NaN