1929 was the beginning of a new chapter in the history of the Republic of China, with the announcement on December 29th 1928 that all flags of the Beiyang Government were to be replaced by the flag of the Nationalist Party, thereby symbolically reunifying China under one rule and bringing the Warlord Era (1916 – 1928) to an end.
Selecting a Design
At this critical political juncture new silver dollars were commissioned by the central government. The design was to feature Sun Yat-Sen (one of the founding fathers of the Republic of China who had recently died in 1925) on the obverse, with an image of a Chinese sailing junk on the reverse. Hence the ‘Junk Dollar’. In 1929 mints from the UK, USA...https://www.chinesecoins.com/silver-junk-dollars-1932-1934/