413 7 Make a real job of it Hit up your savings for all you're worth. Keep slogging away till you've got your full 500 15/- Certificates, then go straight on for your second innings of 250 £1 Certificates. A bit extra every week will soon run your total up. Score the maximum in SAVINGS CERTIFICATES 500 15'- 15/- CERTIFICATES become worth 20/6 in 10 years, equal to interest of £3.3.5 per cent. per annum free of Income Tax. Obtainable at any Post Office or Bank, or through your local Savings Group.