Macau coin with Vertical Axis error (Vertical Axis ⌽ ↺) and (thin disc) 50 Avos 1952 Copper-nickel, Former Colony Macau, less than 5 coins of this error are known to exist on the 50 Avos 1952 Macau coin, making this coin extremely rare. Macao Portuguese Colony 50th 1952 Very Rare Medal Alignment ↑↑. (Given that there are so few known examples of this error and that they all have a thinner disk, there is the possibility that they were the first mintage tests that ended up mixed with the rest of the normal coins)

Angola, coin of 1 Escudo 1974 Bronze with Oblique Axis, 1 Escudo 1974 of Angola with a deviated axis error, appears classified in the Alberto Gomes catalog with the Oblique Axis variant "8h" code 17.07, in fact the displacement is "7h" and not at 8am as the catalog states due to a possible analysis error by the author, all the coins I have seen on the numismatic market appear to be at 7am. (The normal imaginary minting axis of this coin is horizontal (↑↓), however, due to human error in assembling the dies, that is, the incorrect placement of the dies in the press, there were coins that were minted with deviated axes, this being one of those errors.

Angola, bronze coin of 1 Escudo 1974 Bronze coin with axis almost medal alignment, moved between 10:00 and 11:00 Hours i.e. 310º, "very rare", (the 1$00 Escudo 1974 Angola coin only appears classified in Alberto Gomes with the Oblique Axis variant "8h"), this variant with an axis almost medal alignment, does not appear classified in any catalogue. (The normal imaginary minting axis of this coin is horizontal (↑↓), however, due to human error in assembling the dies, that is, the incorrect placement of the dies in the press, there were coins that were minted with deviated axes, this being one of those errors in this case almost a Vertical Axis (↓↓) "medal alignment"

Portugal, error coin of medal alignment XX centavos 1951 Bronze, minting error Medal Alignment in coin of XX centavos 1951 of bronze, World Coins Portugal KM#584 (The normal imaginary minting axis of this coin is horizontal (↑↓), however, due to human error in assembling the dies, that is, the incorrect placement of the dies in the press, there were coins that were minted with deviated axes, this being one of those errors in this case, medal alignment (↓↓).

Portugal, error coin of medal alignment XX centavos 1951 Bronze, minting error Medal Alignment in coin of XX centavos 1951 of bronze, World Coins Portugal KM#584 (The normal imaginary minting axis of this coin is horizontal (↑↓), however, due to human error in assembling the dies, that is, the incorrect placement of the dies in the press, there were coins that were minted with deviated axes, this being one of those errors in this case, medal alignment (↓↓).