I grew this one back in 2014 from seeds I got from Yuri Kholyavko. Here is his original description:

GIFTS OF THE MAGI. Mid-season variety with elongated fruits. Plant height is around 5 feet (1.5 m). Fruits are red, elongated-oval in shape, uniform, firm, and store really well (good keepers). They weigh about 7 oz (200 g), boast excellent market appeal, and have top-notch flavor.

My fruits ended up being a bit smaller, around 5.3 oz (150 g). But when Lyuba (Dosya) grew them in 2015, hers looked like they weighed over a pound (500 g) – just absolute monster plum tomatoes! And she grew those from my saved seeds, which had already acclimatized a bit to our local weather. Lord willing, I plan to grow it again this season.

Here are my Gifts of the Magi (first photo),

Gifts of the Magi red plum tomatoes
and here are Lyuba’s (second photo):
Massive Gifts of the Magi paste tomatoes on scale