Some bodily bitcoins have a personal key hid inside them or below a tamper-evident sticker. You possibly can most likely sort that right into a bitcoin pockets to import the important thing. An instance is the discontinued
series-1 Casascius Coin
How they work: The “personal key” is on a card embedded contained in the coin and is protected by a tamper-evident hologram. The hologram leaves behind a honeycomb sample whether it is peeled. If the hologram is undamaged, the bitcoin is nice. In case you have bought a 2-factor merchandise, the personal key’s encrypted and can must be decrypted utilizing your unique preselected passphrase earlier than you may redeem the funds.
The 8-character code you see on the surface of the coin is the primary eight characters of the Bitcoin handle assigned particularly to that coin. You possibly can confirm the coin’s steadiness on Block Explorer. There’s a mathematical relationship between the Bitcoin handle and the personal key contained in the coin. The digital bitcoin is definitely situated on the general public “block chain” saved on the web, however it’s fully inaccessible to anybody until the personal key from the coin is loaded right into a Bitcoin pockets.
My emphasis – I would guess this can be the coin you have got.
Be aware that the issuer could have data of these personal keys. If the issuer went out of enterprise or the data fell into the fingers of others, it’s potential that another person can have subsequently eliminated any bitcoin worth related to the personal key.