Country: Great Britain. Title: Chelsea Flower Show Souvenir Cover. Issue Date: 22nd May 1987 Stampworld Catalogue Number: 1078 Face Value: 0.18 Stampworld Catalogue Value: A$0.84 Type: Gummed stamp attached to souvenir envelope. Perforation: Condition: Very good. Clean. No damage. Description: This souvenir cover has the 0.18p stamp from the 1987 Flower issue attached. Postmarked "Chelsea, S.W.3, 22 May 1987". It is addressed and has been through the mail system. Includes information card. Stock Number: P0088 Postal Weight: 20g. ?Postal Size: 225x120x1mm. I use Australia Post to all destinations with postage calculated by weight and size. I combine items to achieve the best postal rate. Each listing shows the item weight and postal size. By adding the weight together and using the item with the largest size, you can find the exact postal cost from the options show below. Or email me for a quote at [email protected] All postage costs shown below are in US$ POSTAGE - AUSTRALIA Australian Standard Post. - No Tracking. 1. Up to 250grms. $0.80 Envelope size 240 x 130 x 5mm 2. 251grms to 250grms. $2.35 Envelope size 260 x 180 x 20mm. 3. 251grms to 500grms. $3.90 Envelope size 360 x 260 x 20mm. Note: Items sent without tracking are not covered for loss or damage. Australian Tracked Post. 4. Up to 125g. $2.55 Envelope size 240 x 130 x 5mm. 5. 126grms to 500grms. $3.60 Envelope size 240 x 160 x 20mm. 6. Up to 500grms. $4.40 Envelope size 320 x 230 x 2omm POSTAGE – INTERNATIONAL 250grms. Envelope size 240 x 130 x 5mm Zone 1. New Zealand. $1.80 Zone 2. Asia. $2.05 Zone 3. Canada USA. $2.45 Zone 4. UK Europe. $2.55 Zone 5. Rest of World. $2.85 POSTAGE – INTERNATIONAL 500grms. Envelope size 360 x 260 x 20mm Zone 1. New Zealand. $6.10 Zone 2. Asia. $6.95 Zone 3. Canada USA. $8.45 Zone 4. UK Europe. $8.90 Zone 5. Rest of World. $9.80