P2868: dge bsnyen bkra shis/

1449: mentioned in the block colophon of rgyal tshab rje's Pramāṇavārttika commentary of 1449; see thar lam gsal byed [ed1449] (f. 240a): dbu lha drug gi ri mo gong dkar ba/ /mkhas pa dge bkras sor mo'i zlos gar yin/

before 1446 (?): active artist commonly known by the name dge bsnyen bkra shis/, who had accomplished several projects; see rgyal chen gling gi rten bzhengs dkar chag [ref] (f. 3): bod yul nyi ma zla ba ltar/ yongs su grags pa'i dkar rgyud 'phreng / mkha' la gza' skar bkod 'dra rnams/ [...] thub dbang sman bla 'od dpag med/ dus 'khor sdom pa dgyes mdzad sogs/ yi dam rgyal ba zhi khro yi/ zhing gi bkod pa grangs med rnams/ ri mor byed pa'i sprul sku ltar/ yongs grags dge bsnyen bkra shis so, as quoted in gong dkar spar ma'i skor [2019] (p. 141)

1452: mentioned in a letter of 1452 by byams pa gling pa bsod nams rnam rgyal/ (1400–1475) as the master artist dge bsnyen bkra shis/ who delivered the letter from lhun grub lha rtse/ to gong dkar rdo rje gdan pa kun dga' rnam rgyal/ (1432–1496) who was residing at gong dkar rdzong / gzhis kha na bzhugs dus gyi snyan ngag [ms] (f. 2b)