Romania. 1906. Jubilee Exhibition, Bucharest. 5B. Yellow-green / Black, black “S E” service overprint. Perf 11.5. Mi 197. MH. S127

Romania 1906 — Mi197 / Service Overprint “SE” (probable Mi I)

Issue: Bucharest General Exhibition, 1906
Denomination: 5 Bani
Colour: Yellow-green / Black
Printing: Typography, black “S E” service overprint
Perforation: L11½ (physically confirmed)
Watermark: None
Condition: Unused without gum (NG); attractive impression, good centering and substantially complete perforations. Age-toned reverse. No major structural defects apparent.

Variety: Probable exhibition service stamp (Serviciul Expoziției). Authenticity of overprint not independently verified.

Catalogue: MICHEL Mi197 (base stamp); provisional service attribution Mi I.

Estimated Market Value: €10–25, conditional on authenticity.
AllCollect Working Value: €15 (provisional).

Collection Grade: B — Specialised Research
Investment Potential: 2/5 — dependent on authentication
Research Potential: 4/5 — service overprint, possible forgery comparison.

Decision: KEEP — SPECIALISED COLLECTION. Authentication recommended if commercially justified.