Name, year and place of birth, date of death, place of burial, from Ross Rogers, in a print-out of his John Rogers/Jane Faull family tree received 16 November 2016. Ross is descendant from the grandfather of Ambrosine Rogers b. 1854 (whom married Frank Richard Oliver b. 1850).
Buried Makara Cemetery, Wellington, New Zealand. Section 01/2 Plot 67/4.

Place of birth, year and place of marriage, buried Makara Cemetery Lawn Plaque Area section 01/2 Plot 67/4, from Ross Rogers in an email dated 30 January 2019.

Result from birth search on New Zealand BDM website in February 2019:
1908/22218. Coster, Elwyn Maurice. Mother: Annie. Father: John Frederick

Full date of birth of 24 July 1908 from further searching in February 2019 on BDM Search by incrementally changing the date range for the birth.