2025 Quiz No. 9: How's Your Eye For Detail?

What country/entity were the stamps with this detail on them issued for?
Two points for the first person to correctly identify it; one point if we need to post an easier version Saturday afternoon here.

Iceland

WOW! One of the speediest finishes ever. aolsson is streaking...Iceland it is!
Another quiz next Friday.
Points so far:
59 – Vayolene
36 – lithograving
34 – StevieG
32 – 22crows
27 – {51Studebaker}
25 -- GeoffHa
24 – bookbndrbob, Johan Buvelot
23 – nigelc, pnjstamps, Willwood42
21 – jogil, NigelC
20 – Canadag
19 – zuerich4
18 – MaJu, Stamperix, tomonakaazu
14 – stamps101
12 – shermae, StamperMA9
11 – aolsson, Rob Roy
10 – Alie, modernstamps, Mrita75
9 – Moose
8 – Angore, Partime
7 – StevieG
6 – Calstamp, NichlasC, Rogdcam, RXC
4 – Blaamand, CaseyMagoo, hy-brasil, JLLebbert, Linus, Noocassel, paddle_more,
Wkusau
3 – Greadan, Tgswanner
2 – EvaSayler, {Glenn Estus}, hansthedutchman, jorgesurcl, Kuikka
oldboldandbrash, pbmorris, PMStamp, revenuecollector, SCB, StorgCa,
Tongman65, wayner 11, Yeapolska, ZebraMan
1 – aolsson, Carl20, Florian, Massimo, Moyock13, Youknowme
in search of the GHMEaMBaFEMoPDiOSS (Grand High Most Excellent and Most Beloved and Fervently Envied Master of Postal Detail in Our Solar System).