Her birth:

Surname First name(s) District Vol Page
Births Sep 1886   (>99%)
Coldham Alice Rachel Docking 4b 320
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Her baptism transcription:

First name(s) Alice Rachel
Last name Coldham
Sex Female
Birth year -
Baptism year 1886
Baptism date 19 Sep 1886
Father's first name(s) Henry James
Mother's first name(s) Agatha Geraldine
Parish Anmer
Diocese Norwich
County Norfolk
Country England
Archive Norfolk Record Office
Archive reference PD 498/22
Page 48
Record set Norfolk Baptisms
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In 1911 she was visiting a Clergyman’s family in Hoddesdon, Herts
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In 1939 an unmarried Alice R Coldham was living in Dorking, Norfolk and looks very much like her:

Victoria House, Docking R.D., Norfolk, England

FIRST NAME(S) LAST NAME(S) DOB SEX OCCUPATION MARITAL STATUS  SCHEDULE  SCHEDULE SUB NUMBER

Alice R Coldham 15 Aug 1886 Female Unpaid Domestic Duties  Single  49  2
Nellie Lemmon 11 Nov 1876 Female Unpaid Domestic Duties  Single  49  1

I think it has to be her as the birth date is spot on both to her registration index and then baptism in September.
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Her death index:

First name(s) ALICE R
Last name COLDHAM
Gender Female
Birth year 1886
Age 82
Death quarter 4
Death year 1968
District Kings Lynn
County Norfolk
Volume 4B
Page 677
Country England
Record set England & Wales Deaths 1837-2007
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Her probate index:

COLDHAM Alice Rachel of 53 Station Road, Snettisham Norfolk died 18 December 1968 Administration Ipswich 17 August £4017.
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