Isle of Man
British Dependency. Elizabeth II gold High-Relief Proof "Penny Black" 5 Crown 1990 UNC, Pobjoy mint, KM-Unl. The surfaces appear quite nice as no dings, scratches, or spotting is present. Only 199 pieces were made of this issue which depicts a famous postage stamp from Great Britain. The AGW is 5 Oz.
Estimate: 7000-7500 USD