Location: Baiyupao wetland park, Xichaoxiantun, Juyuan, Daowi, Haerbin, Heilongjiang, China In river on muddy bottom at 0,5 meter deep; 9 October 2020 45°53'49.0"N 126°53'34,5"E
Size - Grade: 19,33 mm - F++
Remarks:
Lip chipped. Growth mark near the lip. Erosion on the top
