Frequently Asked Questions

What size Capsules do I need for my coin?

The sizes displayed on our listings are the internal diameter of each capsule.

DECIMAL COIN SIZES

COIN

STANDARD CAPSULE SIZE

FOAM CAPSULE SIZE

1/2 Penny

18mm

17mm

1 Pence

21mm**

20mm

2 Pence

26mm

26mm

OLD 5p

24mm

24mm

NEW 5p

18mm

18mm

OLD 10p

29mm

28mm TIGHT FIT / 29mm LOOSE FIT

NEW 10p

24.5mm

24mm

20p

22mm

21mm

OLD 50p

31mm

30mm

NEW 50p

28mm

27mm

ROUND £1

23mm

22mm

12-Sided £1

23mm

23mm

£2

29mm

28mm TIGHT FIT / 29mm LOOSE FIT

£5

39mm

39mm

We only sell size 21mm in packs of 10 standard capsules**

PRE DECIMAL COIN SIZES

COIN

STANDARD CAPSULE SIZE

FOAM CAPSULE SIZE

Farthing 1860+

20mm

20mm

Kartwheel Penny

FOAM CAPS ONLY

36mm AIRTITE ONLY**

Kartwheel 2D

FOAM CAPS ONLY

40mm AIRTITE ONLY**

1 Penny 1860+

31mm

31mm

Silver 3D

16.5mm

16mm

Brass 3D

22mm

21mm

Groat 4D

16mm

16mm

6D

19.5mm

19mm

Shilling

24mm

24mm

Florin 1860+

29mm

28mm TIGHT FIT / 29mm LOOSE FIT

Double Florin 1860+

36mm

36mm

Half Crown

32.5mm

32mm

Crown

39mm

39mm

Half Sovereign

19.5mm

19mm

Full Sovereign

22.5mm

22mm

Due to the depth of the coin, these will only fit in our AIRTITE Capsules. BE AWARE the lid of the 40mm AIRTITE capsule for the Kartwheel 2D does NOT fully close**

For further sizes and information, please contact us.