opus 88

opus 88 flow green

opus 88 heart sutra

opus 88 demo - blue whale

opus 88 demo - mocha mousse 2025

opus 88 × @kimkanone_ original bounshi fountain pen

opus 88 fountain pen - mini summer strike (2025)

opus 88 fountain pen - demonstrator

opus 88 fountain pen - omar demonstrator

opus 88 fountain pen - heart sutra

opus 88 fountain pen - demonstrator veri peri (2022)

opus 88 fountain pen - demonstrator ocean series - whale

opus 88 opera - brown arrow

opus 88 koloro - white

opus 88 koloro fountain pen blue

opus 88 fountain pen - fantasia

opus 88 × @gabbitries webster and friends fountain pen

opus 88 × @twenty_sides grumpy kitty, happy sushi fountain pen

opus 88 fountain pen - jazz

opus 88 × @twenty_sides grumpy kitty café fountain pen

opus 88 nib part (steel) - jowo #5 (model #10)