Horniman's Tea was created in 1826.
You would feel its effect right away. However it depends on the strength of the coca tea. Commercial brands like Del Valle and Hornimans pack 1 gram of coca leaves per tea bag that would provide enough alkaloid to the human body and its effect would be noticed in minutes. Source: http://nutriperu.com/coca-tea/1448-buy-coca-tea.html
The Book of Tea was created in 1906.
Kusmi Tea was created in 1867.
Pennyroyal Tea was created in 1994.
Tea Collection was created in 2002.
Yogi Tea was created in 1984.
The Tea Rose was created in 2004.
National Tea was created in 1899.
Kalahari Tea was created in 1999.
Wissotzky Tea was created in 1849.
The Art of Tea was created in 1976.
The Republic of Tea was created in 1992.