A414-GB 1989 Royal Microscopical Society 1839–1989 27pBlue Fly x5” Full Sheet
🏷️ Title
GB 1989 Royal Microscopical Society 1839–1989 27p “Blue Fly x5” Full Sheet (6) MNH – The House of Questa
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📂 Category
Stamps > Great Britain > Commemorative Issues > 1971-Now > Decimal (1971-Now)
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🔍 Condition
Mint Never Hinged (MNH) / Unmounted Mint
Pristine gum, no marks or hinge traces
Excellent perforations and color
Original sheet margin intact showing printer’s mark “The House of Questa” and plate number “1A”
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📄 Item Specifics
Attribute Details
Issue Year 1989
Face Value 27p
Stamp Type Commemorative
Theme Science / Microscopy / Insects
Country/Region of Manufacture United Kingdom
Printing House The House of Questa
Gum Condition Original gum, never hinged
Format Complete Sheet of 6
Colour Blue and Cream
Subject Blue Fly, Royal Microscopical Society Centenary
Catalogue Reference SG 1468 (Stanley Gibbons)
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💷 Valuation
Estimated Collector Value (Retail): £15–£20
Dealer or Quick-Sale Value: £10–£12
Long-Term Appreciation (Mint Sheet): Stable; desirable due to complete sheet & printer markings
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💰 Recommended Listing Prices
Type Recommended Price Notes
Buy It Now (Fixed Price) £17.95 Competitive for collectors and quick sale
Auction Start Price £9.99 Encourages bids; could realize £14–£18 depending on interest
Postage (UK) £1.50 (1st Class Large Letter, protected)
International Shipping £3.99 (Royal Mail International Standard)
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🧾 Description
Celebrate the bicentenary of the Royal Microscopical Society (1839–1989) with this complete sheet of six 27p commemorative stamps, featuring the Blue Fly (x5) design.
Printed by The House of Questa, this mint unmounted sheet includes full selvedge with plate number 1A and marginal inscription.
Perfect for collectors of British science, microscopy, or insect-themed stamps. Excellent condition, bright colors, and clean gum — a superb display or investment piece.
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