Opus 88 Koloro

eyedropper · 22.68 g

21 colourways · $101 typical

—

none confidence

Not enough independent discussion to score this one honestly — catalogue data only.

Spec sheet

Filling	Eyedropper
Nib maker	JoWo
Nib widths	Fine · Medium · Stub
Length capped	142.2 mm
Length posted	158.8 mm
Weight	22.68 g
Materials	brass · ebonite / hard rubber · wood · stainless steel
Street price	$1.15–$126
Colourways	21

Dimensions mined from retailer listings and cross-checked across stores — approximate.

Black tyleepens.com · makoba.com · www.everythingcalligraphy.com · endlesspens.com · vanness1938.com

Blue makoba.com · www.everythingcalligraphy.com · endlesspens.com · vanness1938.com · thepenworld.com · fpnibs.com

Gold www.everythingcalligraphy.com

Hot Pink www.everythingcalligraphy.com · endlesspens.com

Light Blue www.everythingcalligraphy.com

Orange makoba.com · www.everythingcalligraphy.com · endlesspens.com · fpnibs.com

Orange / Yellow vanness1938.com

Pink www.everythingcalligraphy.com · vanness1938.com

Pink / Gold tyleepens.com

Red makoba.com · www.everythingcalligraphy.com · endlesspens.com · vanness1938.com · thepenworld.com

Teal makoba.com · www.everythingcalligraphy.com · endlesspens.com · vanness1938.com · thepenworld.com

Transparent tyleepens.com

White makoba.com · vanness1938.com

White / Blue makoba.com · vanness1938.com · penboutique.com

White / Orange penboutique.com

White / Pink penboutique.com

White Blue www.everythingcalligraphy.com

White and Blue endlesspens.com

White and Gold endlesspens.com

White and Pink endlesspens.com

Yellow tyleepens.com · thepenworld.com

endlesspens.com	$1.15
endlesspens.com	$1.15
tyleepens.com	$71
tyleepens.com	$71
tyleepens.com	$89
tyleepens.com	$91
vanness1938.com	$95
vanness1938.com	$95
vanness1938.com	$95
vanness1938.com	$95
vanness1938.com	$95
www.everythingcalligraphy.com	$101

Converted to USD at August 2026 rates.