Rock crystal bead ... Craig Mauzy ... Horizontal (normal) ... ca. 1985 ... Rock crystal bead.
Conical rock crystal bead ... Jeff Vanderpool ... Archive series III-2017. Horizontal (normal) ... 27 Feb 2020 ... Conical rock crystal bead.
Conical rock crystal bead ... Craig Mauzy ... Archive series III-2017. Horizontal (normal) ... 23 Jan 2020 ... Conical rock crystal bead.
Rock cutting with cistern ... AMS 559 Horizontal (normal) ... 12 Mar 1935 ... Rock cutting with cistern.
