Briefmarken Wertvoll oder Nicht!? Ein Werkzeugkasten zur Wertschätzung von Briefmarken

I'm often presented with stamps with a request to appraise their value. There are a few simple tips and tricks anyone can use to conduct their own initial examination/assessment. I'd like to share this "toolbox for appraising stamps" with you today. Links for posting valuation questions: Facebook:   / briefmarken.stamps   Forums: https://forum.bund-forum.de/ https://www.philaforum.com/forum/ https://www.philaseiten.de/cgi-bin/in... Sources: Schwaneberger Verlag (Michel Stamp Catalog): http://www.briefmarken.de/ Free online catalog Stampworld: https://www.stampworld.com/de/ Identifying stamp inspection marks: https://briefmarken-pruefer.de/de/ eBay for determining trade values: https://www.ebay.de/ Confucius quote: https://de.wikipedia.org/wiki/Konfuzius BDPh for local association search: https://www.bdph.de/ Thomas' YouTube page Schmidtkonz:    / marathomy   Stamp Corner on Facebook:   / briefmarkenecke