P7-Switzerland 20c Helvetia Stamp Cover Zürich 23.V.63 Commercial Envelope Stell

🏷️ Title
Switzerland 20c Helvetia Stamp Cover Zürich 23.V.63 Commercial Envelope Stella Tresor AG
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📂 Category
Stamps > Europe > Switzerland > Covers > Commercial Covers
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📊 Condition
Used commercial cover
Original postal usage (not First Day Cover)
Visible folds and aging
Light discoloration and minor edge wear
Stamp intact with clear Zürich cancellation (23.V.63)
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📌 Item Specifics
AttributeDetails
Country/RegionSwitzerland
Year of Issue1963
Stamp20c Helvetia (Landscape/Industrial design)
CancellationZürich dated 23 May 1963
Cover TypeCommercial/business envelope
AddresseeStella Tresor AG, Zürich
ConditionUsed
ThemePostal history / Business mail
AuthenticityOriginal
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💰 Price & Valuation
AspectValue
Estimated Market Value£3 – £7
RarityCommon commercial cover
DemandModerate (postal history collectors)
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✅ Recommended eBay Listing Price
👉 £4.99 Buy It Now
👉 Accept offers enabled
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🔨 Auction Option
Start price: £0.99
Duration: 7 days
Expected final value: £3 – £6
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📈 Selling Tips
Mention “commercial cover” (important for collectors)
Highlight clear Zürich date cancel (1963)
Include all 3 photos (front, close-up stamp, back)
Add keywords: Swiss postal history, Helvetia, business mail, Europe cover
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