Il famoso e non rarissimo “Gronchi rosa” - Il Post
Daniel F. Kelleher Auctions, LLC Sale - 636 Page 42
Il Gronchi rosa (Italian Edition) - Kindle edition by Mauro Lucio. Literature & Fiction Kindle eBooks @ Amazon.com.
1961. 205 lire, "Gronchi rosa" covered on aerogram from Rome to Lima with additional postage of 20 "Siracusana" lire. Transit and arrival stamps on the reverse. Cert. E.Diena. - Auction Philatelic and
Daniel F. Kelleher Auctions, LLC Sale - 737 Page 97
Gronchi Rosa | Vendita Online Di Francobolli | Filatelia Numismatica Lottini