Vintage  PY Smiling Onion Oil and Vinegar. This is a very rare piece from around the 1950's. Signed on base PY and CN Japan as well as the original sticker. Note the Japanese ceramic pieces that were imported to the US by LEFTON are similar to the pieces known as PY or ESD which were imported from the same sources in Japan but were stamped for the different importers. As collectibles they are all wonderful!  Many of these pieces were made during the Occupation of Japan by the US.