1916-19 First Peking printing $20 black and yellow, used with partial Tihwa bilingual cds, very fine (Image)

1924-36 Junk Series Second Peking Printing for use in Sinkiang $20 blue & deep purple in mint nh lower left corner marginal single, a little discolouration in the margin, very fine
1924-36 Second Peking printing $20 blue and plum, l/l corner marginal example, fine unmounted o.g., very scarce (Image)

1932-38 Dr. Sun Yat-sen, first printing with London overprint on $1 sepia & red-brown, $2 red-brown & blue and $5 blackish green & scarlet, each in marginal blocks of 4 cancelled-to-order with SHUFU/KASHGAR cds, original gum, very fine (Image)