Not vintage but collectable: We've had 2 Speedmaster Japan Racing's sold at auction this month: Lot 74 at Antiquorum and Lot 170 at Sotheby. Sotheby went for CHF11875 (approx USD12.5k) with blank warranty card. Antiquorum sold for CHF11250 (approx USD11.8k) with stamped warranty card.
These prices are in the same ballpark as 3 sold by a leading dealer here on OF over the last 9 months or so, and before COVID. I'm working off his asking prices which were USD10.8k without card, USD11.3k with blank card and USD12k with filled card. So the March auction results don't indicate a major impact on the JR market as yet and if the dealer sold for less than his asking, the market is holding up better.