Timeline for all types of items produced by
Popper & Co. [Leipzig, Germany]

Year	Items
1897	1
1904	25
1905	2
1906	7
1907	5
1908	1
1909	1
1911	1
1912	1
1930	1

45 items with a valid date were considered for this timeline (97.83% of the total)
1 item with an invalid date.

Help us in our quest to find exact dates for:

189?: 1 item.