Queen Elizabeth II Stamps 1991 Bicentenary of Ordanance Survey. Maps of Hamstreet, Kent. 
| 274 | 
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Stamps are for illustration purposes only  |  | SG1578 24p Multicoloured | SG1579 28p Multicoloured |
 |  | SG1580 33p Multicoloured | SG1581 39p Multicoloured |
| Cat Ref | Stamp Description | Mint Value | Used Value | Price Guide | | SG1578 | 24p Multicoloured | £0.60 | £0.20 | | | SG1579 | 28p Multicoloured | £1.00 | £0.95 | | | SG1580 | 33p Multicoloured | £1.25 | £1.40 | | | SG1581 | 39p Multicoloured | £1.50 | £1.40 | |
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