nostr:npub10kcanyrevwyaafkmcjkh2zcaz8tg9ujc3f4xn74ef5dp5vwptjnqqmqjyy nostr:npub1hpcdfjpxrawnmu6ryh36ce7xu4qd54pu6xca394yhvmyzlery0tqvghjn3 

Fair point; exhibited paintings may not be the extent of work... but given that after his death (like many artists) his oeuvre was explored and explored, my guess is if any private works existed they would have surfaced (unless of course destroyed)