V-block staging entry validated for model fit. Imported from staging batch duell-thimm-v, source entry 2284. Paris: Ancienne Maison Quantin, 1892; date independently confirmed; continuation shell 2051 consolidated. Individually bibliographically reviewed in phase 90 against the complete source entry and, where needed, independent catalogue evidence. phase 90: former work 2051 individually reviewed and consolidated here.