2021. APC / SSK. A visit from St Nick

APC - SSK (...11.2021) - A visit from St Nick. Mint stamp, domestic mail (FOREVER).

APC - SSK (...11.2021) - A visit from St Nick. Cover mailed to Spain with two stamps (2 x FOREVER) + complement.

APC - SSK (...11.2021) - A visit from St Nick. Mint strip with one stamp, domestic mail (FOREVER) + not valid label (THIS BLOCK IS NOT VALID POSTAGE).

APC - SSK (...11.2021) - A visit from St Nick. Mint sheet with 9 stamps, domestic mail (9 x FOREVER) + not valid label (THIS BLOCK IS NOT VALID POSTAGE).