Current knowledge
Lord Sidmouth Collection (1960)
Isaac Oliver
Henry, Prince of Wales (1594-1612)
Current measurements:
5.3cm x 4cm oval
Based on miniature also in Charles I's collection WS 107, no 17. Note that the work cited in is only a possible match with the Sale Inventory record.
Van der Doort 1639
Daniel Mytens after Isaac Oliver's piece
Your majesty’s eldest brother Prince Henry in armour, life-size
Sale Inventory c.1649-51
Walpole Society reference (1972):