A620-“Royal Mail Christmas 1986 First Day Cover Addressed 2 Dec 1986 Edinburgh

Title:
“Royal Mail Christmas 1986 First Day Cover Addressed – 2 Dec 1986 Edinburgh Postmark”
Category:
Stamps & Postal History → Covers, Postcards & Postal History → First Day Covers
Condition:
Genuine official Royal Mail first-day cover, addressed (to Mr B Makinson), correctly post-marked 2 Dec 1986 at Edinburgh (“FIRST DAY OF ISSUE … PHILATELIC BUREAU”) with the Christmas 1986 12p/13p stamp design. Some light foxing/spots visible on the envelope (see photos), but overall clean and intact envelope and flap, perforation and stamp appear intact.
Item Specifics:
Year of Issue: 1986, November 18 (stamp issue date) 
Stamp Set: Christmas 1986 “Folk Customs” (design by Lynda Gray) 
Cover Type: Official Royal Mail First Day Cover (FDC)
Postmark/Cancel: 2 Dec 1986 Edinburgh Philatelic Bureau “First Day of Issue” circular cancel
Addressee: Mr B Makinson, 25 Queensdale Place, Holland Park, London W11 4SQ (as shown)
Addressed: Yes
Condition of cover: Good used collectible condition, minor foxing spots, flap slightly crease/bend
Country/Region of Manufacture: United Kingdom
Valuation / Recommended Price:
A South African listing simply notes “GB – 1986 Christmas 1986 – Royal Mail First Day Cover” with no price given, but suggesting standard market value. 
Given the addressed nature (which typically reduces value compared with unaddressed covers) plus mild staining/spots, a realistic valuation might be in the £5-10 range.
Recommended eBay Listing Price:
Set a Buy It Now at £9.99,
Auction Option Suggestion:
If you prefer auction format, set the starting bid at £4.99, with no reserve (or a low £5 reserve) and a 7-day duration. This gives flexibility and may attract bidding interest.
Additional Listing Tips:
Upload clear photos of front, back (including flap), close-up of the cancel and the stamp.
Mention the foxing/spots honestly (e.g., “some light foxing/spots visible – see photos”).
Highlight the postmark date and place (“2 Dec 1986 Edinburgh First Day of Issue”), as that is a key collectible detail.
Consider adding shipping cost from Sri Lanka (if you will ship internationally – mention postage & packaging, expected delivery time).
If you have any provenance or certification (even basic), mention it: “Original Royal Mail FDC, not a modern reproduction.”
Use keywords in title & description for search visibility: “1986 Christmas FDC”, “Royal Mail”, “First Day Cover UK”, “Christmas 1986 stamp”.
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