As found, the only thing I've done is remove the masking tape from the iron. The sole shows minor signs of use but the iron looks like it has never been sharpened.
They only made these in two sizes, bit like the no. 4 and 5 (all metal parts the same as 4/5 except the frog) this is the shorter version just over 10 or 26cm long. This item is in the category "Collectables\Tools & Collectable Hardware\Collectable Tools\Carpentry & Woodworking Tools\Planes". The seller is "reparq" and is located in this country: GB. This item can be shipped to United Kingdom, Antigua and Barbuda, Austria, Belgium, Bulgaria, Croatia, Republic of, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Bahrain, Canada, Japan, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, Korea, South, Switzerland, Taiwan, Thailand, Bangladesh, Belize, Bermuda, Bolivia, Barbados, Brunei Darussalam, Cayman Islands, Dominica, Egypt, Guernsey, Gibraltar, Guadeloupe, Grenada, French Guiana, Iceland, Jersey, Jordan, Cambodia, Saint Kitts-Nevis, Saint Lucia, Liechtenstein, Sri Lanka, Macau, Monaco, Maldives, Montserrat, Martinique, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Turks and Caicos Islands, Aruba, Saudi Arabia, South Africa, United Arab Emirates, Chile, Bahamas, Colombia, Costa Rica, Dominican Republic, Guatemala, Honduras, Jamaica, Kuwait, Panama, Philippines, Qatar, El Salvador, Trinidad and Tobago, Uruguay.