Antique double bottles

A couple of these bottles have dates placing them in the 1890's.
Another has "China" inscribed on the bottom which would also be consistent
for this time period. I expect all these bottles fall in the range from
1890-1905. Bob Steven's book (The Collector's Book of Snuff Bottles) has
a Ma Shaoxuan bottle (plate 863) which he dates as c.1900.
That bottle is not as tall and slender.

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