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
Wissotzky Tea was created in 1849.
Kusmi Tea was created in 1867.
Tea Collection was created in 2002.
Pennyroyal Tea was created in 1994.
Yogi Tea was created in 1984.
The Tea Rose was created in 2004.
The Aroma of Tea was created in 2006.
The Republic of Tea was created in 1992.
The Art of Tea was created in 1976.
Tea for the Voyage was created in 2004.
Treatise on Tea was created in 1107.