Solnechnaya quince - Large fruit, weight 370 g, oval-round. Soft, smooth, golden-yellow skin. Neckof average length forming a blunt cone, average saucer, broad, slightly wavy. The flesh is a light-cream colour, sweet and tart, agreeably aromatic. -- description from 2013 draft of a United Nations trade report on agricultural quality standards.
Presumably this quince originated in Solnechnaya, Russia, about 150 miles west of Moscow.