Kaliningrad Amber CombineEventsA unique amber specimen weighing 1.5 kg was discovered at the…Recent coverage1.55 kg amber fossil dating back 40 million years found: a cast of an ancient tree containing insects — ФонтанкаUnique amber specimen from two varieties mined in Kaliningrad — ВестиUnique amber nugget found in Kaliningrad — Коммерсантъ