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

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📂 Category

Stamps → Europe → Switzerland

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📝 Condition

Used

(Visible postal cancellation marks, clean perforations, no tears, good colour.)

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🔎 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

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💷 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.

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⭐ 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.

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💰 Recommended eBay Listing Price (Buy It Now)

£8.95

(Competitive, fair, and likely to attract collectors.)

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🔨 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.

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