E241-Austria 1973 Leo Slezak 4s Stamp on Commercial Cover Bonn Germany Address

🟦 Title 
Austria 1973 Leo Slezak 4s Stamp on Commercial Cover – Bonn Germany Addressed – Philately Collectible
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🟩 Category
Stamps → Europe → Austria → Postal History
(If listing in UK eBay: Stamps > Europe > Austria)
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🟧 Condition
Used – Postal Cover (Commercial Mail)
Addressed
With original Austrian 4s Leo Slezak 1973 stamp
Clear circular postmark (Dornbach, Austria – 20.3.1975)
Minor ageing/spotting consistent with age
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🟨 Item Specifics
Country/Region of Manufacture: Austria
Type: Postal Cover (Commercial)
Stamp Issue: Leo Slezak 1873–1946 (1973 issue)
Postmark: Dornbach (Austria), 20 March 1975
Destination Address: BDPH Landesverband Mittelrhein e.V., Bonn-Beuel, Germany
Colour: Cream envelope
Era: Post-WW2 (1970s)
Features: Single-franked, neat cancellation
Topic: Famous People / Opera / Austria
Quality: Good, light ageing marks
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💷 Price & Valuation
Market Valuation for Austrian 1970s Commercial Covers:
Typical range: £4 – £8
Covers with named-person commemorative stamps: £6 – £10
Given your envelope is clean, nicely postmarked, and has philatelic society addresses, a fair valuation = £6–£8.
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⭐ Recommended eBay Listing Price (Buy It Now)
£7.99
(Competitive and within collector expectations)
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🔨 Auction Option
If listing as an auction:
Start Price: £3.99
Duration: 7 days
Best for: attracting watchers & stamp cover collectors
Expect final price: £4–£7
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