$2.00 on $1.00 Offices in
China (K16). Top imprint, plate no. and "A" block of six, three stamps
Mint N.H., deep rich color and proof-like impressionFINE. AN INCREDIBLY RARE PLATE BLOCK OF THE $2.00 ON $1.00 OFFICES IN CHINA.
The $2.00 plate block is exceeded in rarity only by the $1.00. (Image)