A549-Switzerland 1988 Prosto Special Cover “Centro Sportivo Lodrino Advertisi

Title
Switzerland 1988 Prosto Special Cover – “Centro Sportivo Lodrino” Advertising Cancel, Winter Relief Stamp 1936–1986
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Category
Stamps > Europe > Switzerland > Covers & Postal History > First Day Covers (FDCs)
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Condition
Used – Excellent condition; clean, unaddressed reverse, clear postmark dated 28 March 1988 (28-3.88) from 6526 Prosito, featuring Centro Sportivo Lodrino special cancellation.
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Item Specifics
Country/Region of Manufacture: Switzerland
Year of Issue: 1988
Stamp Value: 50c (Helvetia)
Stamp Theme: Swiss Winter Relief / Secours Suisse d’Hiver (1936–1986)
Designer: Adolf Flückiger
Printing: Courvoisier
Cancellation Type: Special Advertising Cancel (“Werbestempel”)
Cancellation Location: 6526 Prosito, Ticino
Additional Feature: Promotional pictorial cachet “Werbestempel / Obliteration-reclame / Obliterazione di pubblicità”
Recipient: Herrn Stuber-Buck Hans, Auw
Envelope Condition: Clean, sharp edges, no tears or stains
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Valuation & Recommended Price
Estimated Collector Value: £6 – £9
Recommended Fixed Price (Buy It Now): £8.99
Recommended Auction Start Price: £3.99
Auction Duration: 7 days
Shipping Suggestion: £1.95 UK / £3.95 international (Economy Letter)
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Recommended Listing Format
Format: Auction or Fixed Price (Best Offer Enabled)
Starting Bid (Auction): £3.99
Buy It Now Option: £8.99
Duration: 7 days
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Description 
> Attractive Swiss commemorative cover postmarked 28.3.1988, Prosito (Ticino) with “Centro Sportivo Lodrino” special advertising cancellation.
Features 50c Helvetia stamp commemorating 50 years of Swiss Winter Relief (1936–1986), designed by Adolf Flückiger and printed by Courvoisier.
Cachet promoting Swiss advertising cancellations (“Werbestempel”).
Excellent clean condition – ideal for thematic or Swiss postal history collectors.
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