Chartered Bank of India, Australia & China, colour trial $50, blue and pale orange, workers in a river and landscape at centre in ornate frame, arms top centre, value at left and right and at each corner, printed signature low right, rev. brown and blue, bank head office at centre (Ma S23 for type), blue WATERLOW seal in field, red SPECIMEN overprint, official perforations, good extremely fine, a beautiful and extremely rare example