Round, square hole in centre, inner and outer rims on both sides, 4 characters on obverse, mark or marks on reverse. Genho tsuho top-right-bottom-left on obverse. Reverse has vertical line top, 2 horizontal lines right, and 3 vertical lines bottom-left.

Round, square hole in centre, inner and outer rims on both sides, 4 characters on obverse, mark or marks on reverse. Genho tsuho top-right-bottom-left on obverse. Reverse has dot top; 5 dots bottom.

Round, square hole in centre, inner and outer rims on both sides, 4 characters on obverse, mark or marks on reverse. Genho tsuho top-right-bottom-left on obverse. Reverse has nail mark left.

Round, square hole in centre, inner and outer rims on both sides, 4 characters on obverse. Genho tsuho top-right-bottom-left on obverse. Reverse shows that moulds did not align- casting slip. Obverse has dot bottom-right.

Round, square hole in centre, inner and outer rims on both sides, 4 characters on obverse, 1 character on reverse. Genyu tsuho top-right-bottom-left in seal script characters on obverse. Reverse has ichi bottom (mintmark).

Washi sample mounted on white, labelled and folded paper with 3-pointed leaf above scrolled 'm' watermark. Sample is patterned white paper: surface fully covered with red brown shiny particles with black throughout, dark blue company trademark stamped on underside. This shows through to top as dark brown English lettering spelled backwards above and below motif of world with large four-winged insect. Two of these motifs placed side by side, right one upside down. 'Chikyu Tonbo Brand' at top of ad, line of Japanese characters at base. 'No. 100'.

Washi sample mounted on white, labelled and folded paper with 3-pointed leaf above scrolled 'm' watermark. Sample is brown yellow oil-like sheet, straight-cut edge at top, rest are irregular deckle edges. Uneven thickness where fibres concentrate and disperse, to reveal randomly mixed light to dark brown yellow areas. Dark particles and fibres scattered throughout.

Washi sample mounted on white, labelled and folded paper with 3-pointed leaf above scrolled 'm' watermark. Sample is bright orange, extensively crinkled, uneven surface, is two translucent, oily sheets together. Darkened line where they join. Dark particles scattered throughout.

Washi sample mounted on white, labelled and folded paper with 3-pointed leaf above scrolled 'm' watermark. Sample is ten by ten black graph paper on white ground, each graphing square after ten is identified by thicker black line. Japanese characters listed lower left. Shining, transparent particles cover surface.

Washi sample mounted horizontally on white, labelled and folded paper with 3-pointed leaf above scrolled 'm' watermark. Sample is rectangular, plain yellow white paper with a few dark particles and thick fibres scattered throughout.