X-Received: by 2002:a05:620a:22d4:: with SMTP id o20mr512886qki.90.1644860340177; Mon, 14 Feb 2022 09:39:00 -0800 (PST) X-Received: by 2002:a25:6a06:: with SMTP id f6mr100144ybc.193.1644860339859; Mon, 14 Feb 2022 09:38:59 -0800 (PST) Path: ...!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: fr.rec.philatelie Date: Mon, 14 Feb 2022 09:38:59 -0800 (PST) In-Reply-To: <74ee529a-6263-4493-b82e-ee95619dee1en@googlegroups.com> Injection-Info: google-groups.googlegroups.com; posting-host=2a01:cb08:88dc:de00:e576:3cc7:5098:c676; posting-account=-mi7bQoAAAAAqwZyUucQZwgdErwncDA3 NNTP-Posting-Host: 2a01:cb08:88dc:de00:e576:3cc7:5098:c676 References: <48fa55b0-b8d9-4c48-bcfd-2f659401d0c7n@googlegroups.com> <6208d939$0$1331$426a74cc@news.free.fr> <74ee529a-6263-4493-b82e-ee95619dee1en@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <62b61b11-4fa9-433c-a59d-764c0540007an@googlegroups.com> Subject: Re: grand-orient 1756 unicolore From: =?UTF-8?Q?Dominique_St=C3=A9phan?= Injection-Date: Mon, 14 Feb 2022 17:39:00 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bytes: 2509 Lines: 36 Le dimanche 13 f=C3=A9vrier 2022 =C3=A0 22:15:12 UTC+1, antoin a =C3=A9crit= =C2=A0: > Le dimanche 13 f=C3=A9vrier 2022 =C3=A0 11:11:07 UTC+1, mic54 a =C3=A9cri= t :=20 > Merci Michel Bonsoir, Le timbre vendu sur Delcampe est tr=C3=A8s probablement un trucage chimique= , le rouge a =C3=A9t=C3=A9 "transform=C3=A9" en gris.=20 1) Un probl=C3=A8me d'essuyage aurait pu =C3=A9taler du bleu sur le rouge (= mais on devrait avoir un m=C3=A9lange bleur/rouge), un papier bleut=C3=A9 e= st plut=C3=B4t bon signe.=20 Exemple https://www.delcampe.net/static/img_large/auction/001/395/466/885_001.jpg?v= =3D0 2) Sinon on peut avoir un probl=C3=A8me d'encrier o=C3=B9 le conducteur de = presse met un peu de bleu dans le rouge comme l'encre est =C3=A9paisse =C3= =A7a ne se m=C3=A9lange pas. C'est g=C3=A9n=C3=A9ralement assez rare. Exemple tenant =C3=A0 normal https://www.delcampe.net/static/img_large/auction/001/395/466/555_001.jpg?v= =3D0 https://www.delcampe.net/static/img_large/auction/001/395/466/576_001.jpg?v= =3D0 3) Reste l'essai de couleur faussement dentel=C3=A9, il faut se m=C3=A9fier= .. =C3=80 faire expertiser de pr=C3=A9f=C3=A9rence. Bonne soir=C3=A9e. Dominique