District Audit

One of the less common revenue issues, you're more likely to see Victorian examples rather than anything later.
There are a total of 48 stamps across almost 100 years to collect, these are just a few examples.

(01) 5/- Green & Violet (1879)

Market Value : £10.00

(02) 10/- Green & Carmine (1879)

Market Value : £10.00

(03) £1 Violet & Black (1879)

Market Value : £20.00

(04) £2 Violet & Blue (1879)

Market Value : £35.00

(05) £5 Violet & Green (1879)

Market Value : £30.00

(06) 5/- Green & Violet (1882)

Market Value : £5.00

(07) 10/- Green & Carmine (1882)

Market Value : £5.00

(08) £1 Violet & Black (1882)

Market Value : £5.00

(09) £2 Violet & Blue (1882)

Market Value: £5.00

(10) £5 Violet & Green (1882)

Market Value: £10.00

(11) 5/- Green & Blue (1896)

Market Value : £10.00

(12) 10/- Green & Blue (1896)

Market Value : £5.00

(13) £1 Lilac & Blue (1896)

Market Value : £7.00

(14) £2 Lilac & Blue (1896)

Market Value : £8.00

(15) £5 Lilac & Blue (1896)

Market Value : £18.00

(19) £2 Lilac & Blue (1902)

Market Value : £45.00

(42) 25p Cyan & Black (1971)

Market Value : £5.00

(43) 50p Cyan & Black (1971)

Market Value : £5.00