A752 -Switzerland 1981 Swissair 50 Jahre “Ausgabetag 9.3.81” First Day Cover Ber

Title:
Switzerland 1981 Swissair 50 Jahre “Ausgabetag 9.3.81” First Day Cover – Bern cancellation
Category:
Stamps & Postal History → Covers, Postal History & Documents → First Day Covers
Condition:
Excellent/Very Good — The envelope appears clean with clear printed design and stamp, crisp cancellation dated 9 March 1981. No obvious tears or heavy creasing; please inspect for any minor handling wear or light age toning.
Item Specifics:
Issue Country: Switzerland
Year of Issue: 1981
Subject/Theme: Aviation / Swissair 50th Anniversary
Type: First Day Cover (FDC)
Cancellation Date: 9 March 1981 (Bern)
Stamp: Helvetia “Swissair 1931-1981” 110  (CHF)
Envelope: Commemorative cachet with aircraft illustration and “SONDERPOSTMARKE ‘50 JAHRE SWISSAIR’” imprint
Size: approx. [you may list envelope dimensions]
Condition Notes: [include any small imperfections if present]
Valuation & Recommended Price:
Based on comparable listings, e.g. a similar Swissair 50th anniversary flight cover listed around US$6 (≈ £5) on eBay. 
Given this, and adjusting for condition, rarity, and UK market, a valuation of around £8–£12 seems reasonable.
Recommended Listing Price:
Set a fixed-price listing at £12 to attract interest while leaving a little margin.
Auction Option:
You can also offer it as an auction with a starting bid of £5, no reserve (or a low reserve of £8) to encourage bidding, and allow the market to determine price.
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