Isle of Man. 'Penny Black' 5 Crown, 1990. KM-267 (unlisted variety). Weight 155.7 grams. Gold 999.9 Fine. Mintage 199 estimate. To commemorate the 150th Aniversary of the Penny Black Stamp. Pobjoy mint. In original red case. Gem Proof. Estimate Value $5,000 - 5,500