Hi
@Jane smith
The only bigger thing these two Christmas singles are a part
of (that I’m aware of) is Universal Music reissuing a whole batch of Christmas singles. As mentioned in the article, these can be purchased individually or as a set in a special record carry case. The John Lennon one and the Paul McCartney have been issued or licensed for Christmas compilations numerous times over the years.
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Regarding the green Abbey Road re-issue, I’m not sure where you live but I’d check out the big official music retailer or supermarket stores in your country to see if they have it. Hope this helps!