Leilão Bidspirit | Two reproductions of plans, 20th

Two reproductions of plans, 20th century - Ink on paper. Reproduction of the plans of a building of traditional Chinese architecture, and of a piece belonging to a vase from the Warring Kingdoms period. Both with signature and stamp on the lower side.  Size: 55.5 x 27.5 cm; Size with frame: 104.2 x 33 cm