These are the players who scored 200 or more in their last first-class match in the 2017 season or earlier.
# = Test player
Arranged in order of scores.
313* SS Agarwal 2013
241* AH Bakewell # 1936
220 NF Mitchell 1926-27
217 RC Fredericks # 1982-83
207 NF Callaway 1914-15 (Only f-c match and innings)
207 IJ Siedle # 1936-37
206 PA de Silva # 2002 (In a Test).
203* ND McKenzie # 2014-15
200* AC MacLaren # 1922-23
200* Moin Khan # 2005-06
Main reference: https://stats.acscricket.com/Records/First_Class/Overall/Batting/Hundred_in_Last_Match.html
More about SS Agarwal:
https://www.espncricinfo.com/england/content/player/454685.html
and the match in which he scored his farewell century:
While he played all his first-class cricket in England, he had earlier studied at the Doon School in Dehradun (the class of 2009).