Calligraphic Yellow Marbled Moon Print: a 40cm marbled study on cotton rag paper, limited edition of ten, mounted on a round window-cut board, priced £60.

Cellular Origin Painted World: a 40cm watercolour and ink study of cell structure on cotton rag paper, limited edition of one, mounted board, priced £60.

Circles Greetings Card: original art built around the one shape nature returns to more than any other, from ripples to tree rings, on a 15cm square card.

Concave Moon wall sculpture: a hand-carved white marble stone disc, 50cm square, that reads as convex in sunlight, an optical study in light and shadow.

Cultivation Folds wall sculpture: a hand-carved white marble stone relief, 70cm by 50cm, reading the curved, stepped bands of a terraced hillside in stone.

Dargle Lavendar Farm of Kwazulu Natal Greetings Card: rows of lavender photographed on a farm in the KwaZulu-Natal Midlands, on a blank A6 card to send.

Deco Dune Ripple wall sculpture: a two-part white marble stone relief turning wind-blown ripples into Art Deco spirals, 100cm x 44cm, carved and cast by hand.

Deco Fountain wall sculpture: a subtle hand-carved marble stone relief of a radiating Art Deco fountain motif, 100cm x 50cm, for interior or garden walls.

Deco Palm and Spiral wall sculpture: two white marble stone panels, 30cm x 60cm, pairing an ancient Egyptian palm motif with the Greek Ionic volute scroll.

Deco Spiral with Two Palms wall sculpture: three white marble stone panels, 45cm x 120cm, tracing the arcing curve a mature palm frond makes as it ages.

Delicate Blue photographic Print: a rare true-blue flower study, photographed close and printed 60cm x 40cm on matt aluminium dibond backing. £60, unframed.

Delicious Monster Fruit of Gauteng Greetings Card: the rare ripening fruit of Monstera deliciosa, photographed in Gauteng, on a blank A6 card to send.

The Delicious Monster Greetings Card: a photograph of Monstera deliciosa's famously holed leaf, and the several competing theories for why it grows that way.

The Early One Spring Greetings Card: a photograph of the year's hinge moment, and the long-standing British habit of recording exactly when spring begins.

The Early Summer Rose Greetings Card: a photograph of the year's first flush of bloom, and why the modern repeat-flowering rose calendar runs this way.

Early Summer Rose photographic Print: a rose caught before it fully opens, printed 60cm x 40cm on matt aluminium dibond backing. £60, ready to hang unframed.

Early to Spring Greetings Card: an original photograph of one of the very first flowers of the British year, printed on a blank 15cm square note card.

Echo Sound wall sculpture: two sand-textured white marble stone panels, 30cm x 60cm, tracing concentric soundwaves and the real physics of an echo in stone.

Ecology of a Twig Greetings Card: a graphite drawing that treats one ordinary winter twig as its own small habitat, on a textured 15cm square note card.

The Eucalyptus Landscape Greetings Card: a photograph of a gum tree grove, and why these trees shed their papery bark instead of shedding their leaves.