III · The Long Yield Patina & Provenance Report
Insight 07 — Material economics

Quality outlives the buyer — and so does its worth.

Median resale, century-aged jati
3.4×
value retained per generation of ownership
+212% over 90 years

A joglo beam carved in 1912 trades today for more than its original commission — the dark-wax patina the market once discounted is now the very thing it pays for.

1912 · new 1.0×
1955 · weathered 1.4×
1990 · seasoned 2.3×
2024 · patinated 3.4×
Source: Jati Atelier provenance ledger, 142 lots · Yogyakarta & Surakarta, 1908–2024 JATI ATELIER / 09
This is the Javanese Teak Joglo design system, applied by Curio Design — a design-style library for AI agents. Full Javanese Teak Joglo guide → designbycurio.com/learn/javanese-teak-joglo-brown