Great Britain
Victoria Crown 1891 MS65 PCGS, Royal mint, KM765, S-3921, ESC-2591. This coin pops with rainbow toning, dominated by blue, red, and green hues. Even after searching with magnification, there is hardly a mark one can find worth noting.
From the Cape Coral Collection of British Crowns
HID02901242017
Estimate: 1200-1500 USD