Type: Signature
Location: Movement (C), backplate
Inscription: "Tarts/London" engraved
Type: Inscription
Location: Movement (C), backplate
Inscription: "3896" engraved
Type: Mark
Location: Inner case (B), back, interior
Inscription: Lion passant stamped in rectangular shield
Type: Mark
Location: Inner case (B), back, interior
Inscription: Leopard's head crowned stamped in rounded shield
Type: Mark
Location: Inner case (B), back, interior
Inscription: Date letter "Q" (?) in black letter (for 1771-1772), stamped
Type: Mark
Location: Inner case (B), back, interior
Inscription: "J [or I]'M" stamped in a rectangle