Queen Elizabeth II Stamps 1991 150th Anniversary of Dinosaurs' Identification by Owen 
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Stamps are for illustration purposes only  |  | SG1573 22p Multicoloured | SG1574 26p Multicoloured |
 |  | SG1575 31p Multicoloured | SG1576 33p Multicoloured |
 | SG1577 37p Multicoloured |
| Cat Ref | Stamp Description | Mint Value | Used Value | Price Guide | | SG1573 | 22p Multicoloured | £0.60 | £0.20 | | | SG1574 | 26p Multicoloured | £1.10 | £1.25 | | | SG1575 | 31p Multicoloured | £1.25 | £1.25 | | | SG1576 | 33p Multicoloured | £1.50 | £1.50 | | | SG1577 | 37p Multicoloured | £1.60 | £1.50 | |
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