DC-18b 1911 Dominion $1 Various-Boville, Green Line, Very Fine (VF20)

DC-18b 1911 Dominion of Canada $1 Various-Boville, Green Line, Very Fine (VF20)

Specifications:
Charlton Code: DC-18b
Face Design: Lord and Lady Grey
Back Design: Lathework and counters, with a view of the Centre Block of the Parliament Buildings from the front gate, with "Dominion of Canada" above.
Signature: Left: Various, Right: T.C. Boville
Variety: Thin Green Line

Special Features
In the face design the line enclosing the microlettering and signatures, just below the left and right counters, was printed in two colours: one green, and one black.