F107-Switzerland 1970 Pro Patria 20+10 Helvetia Block of 4 Celestino Piatti –

📌 Title
Switzerland 1970 Pro Patria 20+10 Helvetia Block of 4 – Celestino Piatti – Used – Colourful Geometric Design
---
📂 Category
Stamps → Europe → Switzerland
---
📝 Condition
Used
(Visible postal cancellation marks, clean perforations, no tears, good colour.)
---
🔎 Item Specifics
Country/Region of Manufacture: Switzerland
Year of Issue: 1970
Denomination: 20 + 10 centimes
Series: Pro Patria
Format: Block of 4
Cancellation: Postmarked
Theme: Abstract Art / Charity Issue
Designer: Celestino Piatti
Printing: Courvoisier S.A.
Colour: Multicolour geometric
Quality: Used
Grade: VF (Very Fine) – based on clear print and clean block structure
---
💷 Price & Valuation
Market value for a used block of four of this 1970 Pro Patria charity issue typically ranges:
Single used stamp: £1.50–£2
Block of four used: £4–£7
Well-centred, vivid block: Up to £8–£10
Your block appears sharp and clean, so it sits in the higher range.
---
⭐ Recommended
For Buy-It-Now listings, buyers prefer full blocks, especially from Swiss charity issues.
The vivid colour + clean usage makes your block more desirable.
---
💰 Recommended eBay Listing Price (Buy It Now)
£8.95
(Competitive, fair, and likely to attract collectors.)
---
🔨 Auction Option
Start Price: £3.99
Expected End Range: £5 – £8
Auction works well for stamp collectors but may end low, so Buy-It-Now is more stable.
---