$1.90 (SG758) stamp with yellow-ochre and deep blue-green missing with BPA certificate No 75 521 of 2013, unmounted mint. A complete pane (requisition No N0048327) was discovered at a post office in Tsim Sha Tsui at time of issue among a batch of normally printed $1.90 panes (Pierron, 2008 – No HK1422).