AviS is to release in January 2019 (?) a 1/72nd Short S.1 Cockle - ref. BX72031
Sources:
http://scalemodels.ru/news/13433-anons-Avis-1-72-Short-S-4-Satellite--Short-S-1-Cockle.html
https://hobbyterra.com/product/1-72-scale-model-kit-short-s-1-cockle-avis-72031.html
Box art
V.P.