Table:
0
A
B
C
D
E
F
G
1
English name
Irish name
Numeral
Reverse
Introduction
Withdrawal
£1 Fraction
2
Farthing
Feoirling
¼d
Woodcock
12 December 1928
1 January 1962
1/960
3
Halfpenny
Leath Phingin
½d
Sow and litter
12 December 1928
1 August 1969
1/480
4
Penny
Pingin
1d
Hen and chickens
12 December 1928
1 January 1972
1/240
5
Threepence
Leath Reul
3d
Hare
12 December 1928
1 January 1972
1/80
6
Sixpence
Reul
6d
Wolfhound
12 December 1928
1 January 1972
1/40
7
Shilling
Scilling
1s
Bull
12 December 1928
1 January 1993
1/20
8
Florin
Flóirín
2s
Salmon
12 December 1928
1 June 1994
1/10
9
Half-Crown
Leath Choróin
2s6d
Horse
12 December 1928
1 January 1970
1/8

Questions and formulas:
Question: What is the numeral where the English name is Florin?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="Florin"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,A2:A9="Florin"),3))
Level: medium
Question: What is the £1 fraction when the reverse is hare?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="Hare"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,D2:D9="Hare"),7))
Level: medium
Question: What date was the 6d introduced?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="6d"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,C2:C9="6d"),5))
Level: medium
Question: What is the Irish name for the £1 fraction of 1/240?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="1/240"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,G2:G9="1/240"),2))
Level: medium
Question: What is the reverse when the £1 fraction is 1/480?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="1/480"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,G2:G9="1/480"),4))
Level: medium