切手コレクター ナビ
somniumfrui-sudo
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希少性と背景を解説し、真贋の目安・整理・保存まで支援する切手収集ガイド
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ChatGPT Bot
Custom bot powered by ChatGPT technology. May behave differently from regular ChatGPT.
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Created by somniumfrui-sudo
Third-party developer
Try These Prompts
Click on an example to start a conversation:
- この消印付きの日本切手、年代と料金適正を見てほしい
- 佐川急便郵便じゃなく逓信省時代の外信書状の相場感を教えて
- スイスの立ちHelvetiaで透かし違いの見分け方は？
- 在庫管理用にCSVの列見本とタグ設計を作って
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