Sestertium coin of Trajan. Obverse: laureate bust of Trajan with aegis, right facing, inscription around. Reverse: Trajan on horseback facing left, inscription around edge.

Sestertium coin of Trajan. Obverse: draped bust of Trajan right facing, laureate, inscription around. Reverse: emperor, flanked by two figures to left, enthroned on low stool set on high podium, addressing troops; inscription below.

Palm-handled bent chisel. Wooden handle is reddish-brown with brass fitting. One end of flat steel blade is curved.

Palm-handled bent skew chisel. Wooden handle is reddish-brown with brass fitting. Blade is angled at end.

Palm-handled bent gouge. Wooden handle is reddish-brown with brass fitting. Blade is curved at end and scoop-shaped.

Palm-handled straight gouge. Wooden handle is reddish-brown with varnish worn on rounded side. Handle fitting is brass, and blade is steel and scooped on one side.

Palm-handled V gouge. Wooden handle is rounded with a flat edge, and joined to blade with brass fitting.

Steel callipers with dividers. The fittings are solid brass. The callipers incorporate a sliding speed nut.

Sestertium coin. Obverse: draped bust of Alexander Severus right facing, laureate. Reverse: Sol advancing, left facing, holding whip in raised right hand.

Round, square centre hole, outer and inner rims on both sides, 4 characters on obverse, 4 crescents on reverse; canh thinh thong bao in Chinese characters, read top-bottom-right-left on obverse; reverse has crescents facing inwards at top, bottom, right, and left; extra metal in centre hole.